Homework Help: Math: Calculus

Recent Homework Questions About Calculus

Math-calculus
Evaluate ∫∫ln(x^2+y^2)/sqrt(x^2+y^2) dA where 1≤x^2 +y^2≤e
Thursday, May 2, 2013 at 2:51pm

Calculus
A cylinder is inscribed in a right circular cone of height 6.5 and radius (at the base) equal to 6. What are the dimensions of such a cylinder which has maximum volume?
Thursday, May 2, 2013 at 10:32am

Calculus
Differentiate ln(cos(2x))
Wednesday, May 1, 2013 at 2:30pm

English
what is the noun fuction of He must like studying calculus.
Wednesday, May 1, 2013 at 1:55pm

Calculus
find the equation of the tangent line to the graph of y= f(x) = ln (x)/x at the point (1,0)
Wednesday, May 1, 2013 at 1:39pm

Calculus
A particle moves along the curve y = sqr(1+x^3). As it reaches the point (2,3), the y-coordinate is increasing at a rate of 4cm/s. How fast is the x-coordinate of the point changing at that instant?
Wednesday, May 1, 2013 at 11:41am

Calculus
f(x)= e−(5x)⋅cos(3x)
Wednesday, May 1, 2013 at 11:10am

Calculus
Derive: F(x)= sqrt(3, 1 + tan(x))
Wednesday, May 1, 2013 at 10:47am

Pre-Calculus
Could someone check my answers? 25. 32^(2x-3)=2 Answer- x= 8/5 26. 9^(2x+1)=81 Answer- x= 1/2 27. 1/4=2^3x Answer- x= -2/3 28. 1/27=3^2x Answer- x= -3/2 29. 9^x=27 Answer- x= 3/2 30. 32^x=4 Answer- x= 2/5 31. 27^(x+1)=9 Answer- x= 1/2 32. 125^(x-2)=25 Answer- x= 7/2 33. 81^(x-...
Wednesday, May 1, 2013 at 12:59am

Calculus
A woman at point A on the shore of a circular lake with radius 2.5mi wants to arrive at the point C diametrically opposite A on the other side of the lake in the shortest possible time. She can walk at a rate of 3.25 mi/hr and row at a rate of 2 mi/hr. Find shortest time.
Tuesday, April 30, 2013 at 4:19pm

Calculus
Find the dimension of a rectangle with perimeter 295 whose area is as large as possible
Tuesday, April 30, 2013 at 4:17pm

Calculus
A rancher wants to make an animal pen by fencing in an area of 2500000 square feet in a rectangular field and then divide it up with 5 fences down the middle parallel to one side. The rancher wants to use the shortest total length of fencing possible. If she accomplishes that...
Tuesday, April 30, 2013 at 4:15pm

Pre-Calculus
Find the inverse function for the function f(x)=2^(x)+1/2^(x)-1 You will need to use some properties of logarithmic functions to find the inverse of this particular function.
Tuesday, April 30, 2013 at 2:12pm

Calculus I
Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y=7x^5 y=7x, x is greater than or equal to 0
Tuesday, April 30, 2013 at 1:01pm

Calculus
A particle moves along the curve y = sqr(1+x^3). As it reaches the point (2,3), the y-coordinate is increasing at a rate of 4 cm/s. How fast is the x-coordinate of the point changing at that instant.
Monday, April 29, 2013 at 10:54pm

Calculus
Find dy/dx by implicit differentiation for x^2 - 2xy + y^3 = C
Monday, April 29, 2013 at 10:19pm

calculus
Using 4x^2 - 9y^2 = 36 Find y by implicit differentiation and then solve the equation explicitly for y and differentiate to get y' in terms of x.
Monday, April 29, 2013 at 9:53pm

calculus
use logarithmic differentiation to differentiate the function f(x)=2^x(x^2+2)^3(x^3-3)^7/(x^2+4)^1/2
Monday, April 29, 2013 at 8:40pm

Calculus
Evaluate the following limits (x^2 + 2x - 8)/x-2 Lim x->2
Monday, April 29, 2013 at 7:28pm

calculus
find the derivative of f for the function(x)= x^3-4x+2
Monday, April 29, 2013 at 5:25pm

Calculus
Using 4x^2 - 9y^2 = 36 Find y by implicit differentiation and then solve the equation explicitly for y and differentiate to get y' in terms of x.
Monday, April 29, 2013 at 4:40pm

calculus
Find the derivative y = e^(-5x) + cos^3 x F(x)= (x^2 -x+1)^3
Monday, April 29, 2013 at 11:51am

pre calculus
use the rational zeros theorem to find all the real zeros of the polynomial function. use the zeros to factor f over the real numbers: f(x)=x^4+2x^3-7x^2-8x+12 I am totally lost, please help?
Monday, April 29, 2013 at 11:10am

pre calculus
find the following for the function f(x)=(x+3)^2(x-1)^2 a.) find the x and y intercept of the polynomial function f. b.)find the power function that the graph of f ressembles for large values of lxl. c.)determine the maximum number of turning pointsof the graph of f. d.) ...
Monday, April 29, 2013 at 10:38am

Calculus
Find the derivative y= a^3 + cos^3 X
Monday, April 29, 2013 at 10:25am

Calculus-Function
sketch the graph of a function in neighborhood x=2 that satisfies these conditions f(2)=3 f'(2)=2 f"(2)=-1 you can find a specific function that satisfies all of the given conditions i know the first derivative gives you critical points, and second derivative gives ...
Monday, April 29, 2013 at 12:22am

Calculus-Limits
i have no clue how to start it. rationalizing it seems to tedious. how do i do this thanks evaluate the limit as h -> 0 ((fourth root(3 + h) - 2(3+h) - fourth root(3) + 6))/h
Monday, April 29, 2013 at 12:19am

Calculus
Find dy/dx by implicit differentiation for x^2 - 2xy + y^3 = C
Sunday, April 28, 2013 at 10:18pm

Calculus
Consider the function f(x)=4(x−3^2/3. For this function there are two important intervals: (−‡,A) and (A,‡) where A is a critical number. Find A
Sunday, April 28, 2013 at 8:17pm

Calculus
Given the function: f(x) = x^2 + 1 / x^2 - 9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative f) discuss the concavity g) find any inflection points Please show me how u got this!
Sunday, April 28, 2013 at 7:34pm

calculus
find the absolute minimum and maximum values of f(x)=x^(1/3) (3+x) on the interval [-2,1]
Sunday, April 28, 2013 at 3:42am

calculus
find the absolute minimum and maximum valies of f(x)=-x^4+2x^3+5 on the interval [-2,2]
Sunday, April 28, 2013 at 3:40am

Calculus
A cylinder is inscribed in a right circular cone of height 5.5 and radius (at the base) equal to 2 . A) What are the dimensions of such a cylinder which has maximum volume? B) What is the radius? C) What is the height?
Saturday, April 27, 2013 at 8:24pm

Calculus
Find the derivative of -20x/(x^2-9)^2
Saturday, April 27, 2013 at 4:34pm

Calculus
Given the function: f(x) = x^2 + 1 / x^2 - 9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative Please show me how u got this!!
Saturday, April 27, 2013 at 3:42pm

Calculus
Evaluate the following integrals. Show all the steps in your calculation. a. ç_0^2(3x^3 - x^2 + 2)dx b. ç_0^1(e^2x - x^2)dx c. ç1/(x+3)dx
Saturday, April 27, 2013 at 1:40pm

calculus
A reservoir is in the form og the frustum of a cone with upper base of radius 8ft and lower base radius of 4 ft and altitude of 10ft. The water in the reservoir is xft deep. If the level of the water is increasing at 4ft/min., how fast is the volume of water in the reservoir ...
Saturday, April 27, 2013 at 2:22am

Pre-Calculus
I'm having problems understanding how to do these problems. 25. 32^(2x-3)=2 27. 1/4= 2^3x 29. 9^x=27 33. 81^(x-1)= 27^2x
Friday, April 26, 2013 at 11:57pm

Calculus
The current circulation of a particular magazine is 3,000 copies per week. The editor projects a growth rate of g(t) = 4 + 5t^2/3 copies per week after t weeks. a. Find the circulation function based on this projection. b. Find the circulation in 2 years.
Friday, April 26, 2013 at 5:54pm

Calculus
In a test run, a new train travels along a straight-line track. Data obtained from the speedometer indicate that the velocity of the train at any time t can be described by the velocity function v(t) = 8t (0 _< t _< 30) a. Find the position function of the train. b. Find...
Friday, April 26, 2013 at 5:51pm

Calculus
In a test run, a new train travels along a straight-line track. Data obtained from the speedometer indicate that the velocity of the train at any time t can be described by the velocity function v(t) = 8t (0 ¡Ü t ¡Ü 30) a. Find the position function of ...
Friday, April 26, 2013 at 4:45pm

calculus
The height of a projectile launched into the air is given by h (t)= -16t^2 + 48t + 60, where h is the height of the projectile in feet above the ground and t is the number of seconds after its launch. Find the *instantaneous rate of change* in the height of the projectile at 1...
Friday, April 26, 2013 at 3:49pm

calculus
A circle is formed with a center (-3, 5) and a radius 4 write a pair of parametric equations then show how to return to rectangular form
Friday, April 26, 2013 at 12:46pm

Calculus (math)
A rescue cable attached to a helicopter weighs 2 lb/ft. A 190 lb man grabs the end of the rope and is pulled from the ocean into the helicopter. How much work is done by lifting the man if the helicopter is 50 ft above to water.
Friday, April 26, 2013 at 12:17pm

Calculus
Use the limit process to find the area of the region between the graph of the function and the x-axis over the indicated interval. Sketch the region. y=2x-x^(3), [1,3]
Friday, April 26, 2013 at 6:56am

Calculus
On the moon, the acceleration due to gravity is -1.6 meters per second per second. A stone is dropped from a cliff on the moon and hits hits the surface of the moon 20 seconds later. How far did it fall? What was its velocity at impact?
Friday, April 26, 2013 at 6:48am

calculus
A paper cone is to be formed by starting with a disk of radius 9cm, cutting out a circular sector, and gluing the new edges together. The size of the circular sector is chosen to maximize the volume of the resulting cone. How tall is the cone?
Thursday, April 25, 2013 at 9:37pm

calculus
39x + 75y over the square root of 97 =650 how do I solve this?
Thursday, April 25, 2013 at 7:28pm

calculus
Consider the region above the graph of y=x^2 and below the graph of y=x+2. What is the area of this region?
Thursday, April 25, 2013 at 6:12pm

Calculus
A company manufactures widgets. The daily marginal cost to produce x widgets is found to be C'(x) = 0.000009x^2 - 0.009x + 8 (measured in dollars per unit). The daily fixed costs are found to be $120. a. Use this information to get a general cost function for producing ...
Thursday, April 25, 2013 at 12:30pm

Calculus
U substitution on indefinite integral/antiderivative. (t^3+4)^-2 t^2 On this should I use u on the parenthesis and should I put this into a natural log?
Thursday, April 25, 2013 at 11:19am

Maths Calculus
We want to build a rectangular cardboard box with no top and of given volume V using the least quantity of cardboard. Find the length of the box's edges by fnding the minimum of the total surface function. Verify that the point you found is indeed a minimum applying the ...
Thursday, April 25, 2013 at 10:31am

Calculus
Find the limit as x approaches infinity of (lnx)^(1/x). This unit is on L'Hopital's rule. I know that the answer is 1, I just don't know how to get there. I tried taking the ln of everything so that you have ln(the whole limit) = limx-->infinity (1/x)ln(lnx) but...
Thursday, April 25, 2013 at 12:01am

Calculus
Part I The change in annual revenue in thousands of dollars for the Ozark Zip Line Corporation has been modeled by the function. R(x) = 8.2x^2 + 23.1x where x is the number of years after 2000. To find the total revenue gained between the years 2002 and 2005, start by choosing...
Wednesday, April 24, 2013 at 11:36pm

pre calculus
Environmental Concerns: The spread of oil leaking from a tanker is in the shape of a circle. If the radius r (in feet) of the spread after t hours is r(t) = 200sqrt t, find the area A of the oil slick as a function of the time t. I dont get this at all. could someone please ...
Wednesday, April 24, 2013 at 10:37pm

pre calculus
Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane. F(x)= ln(8-x) I am totally lost, somebody please help????
Wednesday, April 24, 2013 at 10:36pm

Solved-Calculus-Please check?
the equatorial radius of the earth is approximately 3960 miles. suppose a wire is wrapped tightly around the earth at the equator. how much must this wire be lengthened if it is to be strung on 10 feet poles above the ground? (1 mile=5280 feet) delta y= dy/dx (2pir) * deltax ...
Wednesday, April 24, 2013 at 2:20pm

CALCULUS-GUYS..PLEASE HELP...THIS DUE TOMORROW..
An automobile travels at a constant speed around a curve whose radius of curvature is 2000m. What is the maximum allowable speed if the maximum acceptable value for the normal scalar component of acceleration is 1.5m/s^2?
Wednesday, April 24, 2013 at 11:49am

calculus
An automobile travels at a constant speed around a curve whose radius of curvature is 2000m. What is the maximum allowable speed if the maximum acceptable value for the normal scalar component of acceleration is 1.5m/s squared?
Wednesday, April 24, 2013 at 11:38am

Pre-Calculus
Simplify arctan 1/3 + arctan 2/3(round to the nearest degree).
Wednesday, April 24, 2013 at 10:59am

calculus
3) A shell is fired from ground level with a muzzle speed of 350 ft / s and elevation and angle of 60 . Find (a) parametric equation for the shell’s trajectory (b) the maximum height reached by the shell (c) the horizontal distance traveled by the shell (d) the speed of ...
Wednesday, April 24, 2013 at 12:12am

CALCULUS
Let the line l0 be defined by x = 1−t, y = 2+3t, z = 1−2t. Determine whether each given line intersects l0. If it does, give the intersection point. l1 :x=2+t, y=5−2t, z=1+3t l2 :x=6+2t, y=1+t, z=5+t
Wednesday, April 24, 2013 at 12:08am

calculus
the telephone company is planning to introduce two new types of executive communications systems that it hopes to sell to its largest commercial customers. It is estimated that if the first type of system is priced at x hundred dollars per system and the second type at y ...
Tuesday, April 23, 2013 at 10:14pm

calculus
The radius of a cone increases at the rate of 0.3 inches per minute, but the volume remains constant. At what rate does the height of the cone change when the radius Is 4 inches and the height is 15 inches?
Tuesday, April 23, 2013 at 9:45pm

calculus
Consider the region above the graph of y=x^2 and below the graph of y=x+2. What is the area of this region?
Tuesday, April 23, 2013 at 7:45pm

Pre Calculus
Use a calculator to evaluate csc 3ð/14 A. 1.604 B. 1.279 C. 47.686 D. 42.314 E. .739
Tuesday, April 23, 2013 at 4:20pm

Calculus-Differentials-Check please?
if the sides of a cube are measured with an error of 2% use differentials to estimate the relative error in the volume df= 3x^2 * dx df= 3x^2 * 1/50 df= 3/50*x^2 is this right?
Tuesday, April 23, 2013 at 4:09pm

Calculus-Solved-Please Check?
estimate cube root of 25 by linear approximation f(x+delta(x))= f(x) + (df(x)/x) * deltax 3 + 1/3x^(-2/3) * -2 3 - 2/3x^(-2/3) 3 - (2/3* ((cube root(9))) is this right? thanks
Tuesday, April 23, 2013 at 3:55pm

Calculus
Find the first and second derivative for f(x) = x^2 - 9 / X^2 -4 please show me how you got the answer for both
Tuesday, April 23, 2013 at 2:00pm

Calculus
Find the relative extrema of the function f(x) = 1/2 x - sinx on the interval (0, 2 pie) please show me how you got this!!
Tuesday, April 23, 2013 at 1:59pm

calculus
Let A be the region in the plane consisting of those points (x,y) such that 0≤y≤1−x^2. Rotate A around the x-axis in space. What is the volume of the resulting solid?
Tuesday, April 23, 2013 at 12:25am

Pre-Calculus
Could someone check my answers? 27. (16/9)^2/3 = 64/27 28. (49/25)^3/2 = 343/125 31. (-64)^2/3 = 8 32. (-8)^-4/3 = 1/16 or -1/16
Monday, April 22, 2013 at 10:55pm

pre calculus
what is 36.1 and 50.8 rounded to three decimal places? I was never really good at this stuff....please help!
Monday, April 22, 2013 at 10:35pm

Per Calculus
An apple pie has a 12 inch diameter and the angle of one slice is 60 degrees. What is the area of that slice of pie? Use 3.14 for A. 14.13 square inches B. 75.36 square inches C. 36 square inches D. 18.84 square inches E. 0.52 square inches
Monday, April 22, 2013 at 9:43pm

Pre Calculus
If you are riding on a Ferris wheel that is 60 feet tall and it takes 5 minutes to make a one revolution, what is your linear velocity? A. 0.62 feet per second B. 0.31 feet per second C. 37.68 feet per second D. 3.14 feet per second E. 9.42 feet per second
Monday, April 22, 2013 at 9:35pm

Per Calculus
A surveyor is standing 50 feet from the base of a building. The angle of elevation to the top of the building is 60 degrees. Approximately how tall is the building?
Monday, April 22, 2013 at 9:12pm

Pre Calculus
If you are riding on a Ferris wheel that is 60 feet tall and it takes 5 minutes to make a one revolution, what is your linear velocity?
Monday, April 22, 2013 at 8:52pm

calculus
Let f(x)=3x^2+x+3/2x+1. What is the derivative of f with respect to x
Monday, April 22, 2013 at 6:34pm

calculus
the function s(t)=(t^2+t)^2/3, t>0, represents the displacement s, in metres, of a particle moving along a straight line after t seconds
Monday, April 22, 2013 at 7:49am

calculus
limx→4 4x^2−15x−4/x−4.
Sunday, April 21, 2013 at 10:40pm

Calculus
Graph the parametric equations: x=cos(t) y=sin(t) z=cos(2t) How would I go about solving this problem? thanks!
Sunday, April 21, 2013 at 10:21pm

Calculus
Find the area of the region. f(x) = x^3 g(x) = x^4 In the graph f is above g and they both intersect at (1,1)
Sunday, April 21, 2013 at 10:19pm

Calculus
Graph the parametric equations: x=cos(t) y=sin(t) z=cos(2t) How would I go about solving this problem? thanks!
Sunday, April 21, 2013 at 9:52pm

Calculus
Find the derivative of f(x)=ln(e^(2x)/((x^2-4)^3) Please show detail so I can use for reference. Thanks!
Sunday, April 21, 2013 at 5:24pm

Calculus
A University of Rochester student decided to depart from Earth after his graduation to find work on Mars. Before building a shuttle, he conducted careful calculations. A model for the velocity of the shuttle, from liftoff at t = 0 s until the solid rocket boosters were ...
Sunday, April 21, 2013 at 2:19pm

Calculus
Find the exact area below the curve y=x^3(4-x)and above the x-axis
Sunday, April 21, 2013 at 1:41pm

Calculus
Use logarithmic differentiation to find the derivative of the following: y=x^x^2 x>0 Please show all steps so I can following for future understanding
Sunday, April 21, 2013 at 10:57am

Calculus
Use logarithmic differentiation to find the following derivative y=(x+6)^4/(x-5)^6. Please show all steps so I can follow for future understanding. Thanks.
Sunday, April 21, 2013 at 10:55am

Calculus
Find the derivative of the following: f(x)=ln(e^(2x)/(x^2-4)^3 Please show all steps so I can follow Thanks!
Sunday, April 21, 2013 at 10:53am

Calculus
Use logarithmic differentiation to find derivative of y=x^x^2 x > 0. Please show all steps so I can follow the steps. Thank you.!
Saturday, April 20, 2013 at 9:45pm

Calculus
Consider the function f(x) e^x-1/2x^2. Find all points of inflection if they exist. Please show sign graph and show work in detail so I can follow for future reference. Thanks.
Saturday, April 20, 2013 at 9:44pm

Calculus
Consider the function f(x) = x - lnx. Find the intervals on which f(x) is increasing and the intervals where it is decreasing. Also determine any relative max or min.
Saturday, April 20, 2013 at 9:43pm

Calculus
Consider the function f(x)=xe^2x. Find the intervals on which f(x) is concave up and the intervals where it is concave down. Show a sign graph. Please show work in detail so I can follow for future reference. Thanks!
Saturday, April 20, 2013 at 9:42pm

calculus
Use logarithmic differentiation to find the following derivative: y=(x+6)^4/(x-5)^6. Please show all step so I can understand for future reference.
Saturday, April 20, 2013 at 9:39pm

calculus
the demand for a certain type of auto tire is given by x=f(p) 50(1+e^-p/60). a)if the weekly quantity demanded is 60000 tires find the price? b)if the current price is $120 per tire and is increasing at a rate of $2 per week, what is the rate of change of the demand per week? ...
Saturday, April 20, 2013 at 9:15pm

calculus
If x=t^3 and y=3t^5, where t is any real number, what is the derivative of y with respect to x at x=125 ?
Saturday, April 20, 2013 at 2:42pm

Calculus
find an equation of the tanegent line to the curve 3xsquared + 5ysquared=8 at the point (1,1)
Saturday, April 20, 2013 at 2:00pm

calculus
6. The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3, where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) ...
Saturday, April 20, 2013 at 9:32am

Grade 12 Calculus
Evaluate each of the following. Show all your calculations. f" (0) if f(x) = 14x^2 + 3x − 6
Friday, April 19, 2013 at 6:13pm

Grade 12 Calculus
Evaluate each of the following. Show all your calculations. f" (1/3) if f(x) = −2x^5 + 2x − 6
Friday, April 19, 2013 at 6:12pm

calculus
Evaluate each of the following. Show all your calculations. f" (−3) if f(x) = 4x^3 − 3x^2 + 2x − 6
Friday, April 19, 2013 at 6:11pm

calculus (gr 12)
Evaluate each of the following. Show all your calculations. f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8
Friday, April 19, 2013 at 6:11pm

calculus
Evaluate each of the following. Show all your calculations. f'(3) if f(x) = x^4 − 3x
Friday, April 19, 2013 at 6:10pm

calculus (gr 12)
The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3, where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How ...
Friday, April 19, 2013 at 6:06pm

Pre-Calculus
As Rita drives north on Highway 281 through San Antonio, her actual bearing is 311 degrees. If she is driving at 50mph what is her velocity in the east- west direction?
Thursday, April 18, 2013 at 10:10pm

calculus
Evaluate each of the following. Show all your calculations. f′ (3/4)if f(x) = −3x^3 − 7x^2 + 4x − 11
Thursday, April 18, 2013 at 7:10pm

calculus (gr 12)
Evaluate each of the following. Show all your calculations. f" (−3) if f(x) = 4x^3 − 3x^2 + 2x − 6
Thursday, April 18, 2013 at 7:09pm

calculus (gr 12)
Evaluate each of the following. Show all your calculations. f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8
Thursday, April 18, 2013 at 7:09pm

calculus
Evaluate each of the following. Show all your calculations. f" (1/3) if f(x) = −2x^5 + 2x − 6
Thursday, April 18, 2013 at 7:08pm

Grade 12 Calculus
The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3, where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How ...
Thursday, April 18, 2013 at 7:03pm

Grade 12 Calculus
Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. f(x) = (x − 1)^2 , 0 ≤ x ≤ 2
Thursday, April 18, 2013 at 7:01pm

calculus (gr 12)
Determine the maximum and minimum of each function on the given interval. f(x) = 12x − x^3 , x∈ [−3,5]
Thursday, April 18, 2013 at 6:56pm

calculus
find the sum. use the summation capabilities of a graphing utility to verify your result. 5 Sigma (3a) k=2 ??
Thursday, April 18, 2013 at 1:18pm

Calculus
Sketch the graph and find the area of the region described below. f(x)= -3xe^((-x)^2) Find the area of the region bounded below by the graph of f(x) and above by the x-axis from x = 0 to x = 3.
Thursday, April 18, 2013 at 9:30am

Calculus
Find the area of the shaded region. The area is shaded from 0,2 on the x-axis Given: y=0 and y= x^4-2x^3
Thursday, April 18, 2013 at 9:28am

Calculus
Estimate ç 6 0 6−x^2 dx using 3 right rectangles
Thursday, April 18, 2013 at 8:04am

Calculus
Estimate ç 6 0 6−x^2 dx using 3 left rectangles.
Thursday, April 18, 2013 at 8:04am

Calculus
find the area of the region described below. f(x)= -e^((1/2)x) Find the area of the region bounded below by the graph of f(x) and above by the x-axis from x = -4 to x = 4.
Wednesday, April 17, 2013 at 11:11pm

Calculus
find the area of the region described below. f(x)=-4-sq rt of x Find the area of the region bounded below by the graph of f(x) and above by the x-axis from x = 0 to x = 4. Thank you!
Wednesday, April 17, 2013 at 11:02pm

calculus (gr 12)
State the absolute maximum value and the absolute minimum value of each function, if the function is defined on the interval shown. {I CANNOT POST THE GRAPH SO CAN SOMEONE EMAll ME AT miss.a.parker at hot mail(. com) SO I CAN EMAIL IT TO THEM SO YOU CAN HELP ME? I WOULD LOVE ...
Wednesday, April 17, 2013 at 9:45pm

Grade 12 Calculus
Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a) f(x) = x^2 − 4x + 3 , 0 ≤ x ≤ 3 b) f(x) = (x − 1)^2&#...
Wednesday, April 17, 2013 at 9:44pm

calculus (gr 12)
Determine the velocity and acceleration as functions of time, t, for s(t) = 45t − 5t^2, where s(t) represents the distance as a function of time. (Hint: velocity and acceleration correspond to the first and second derivatives of the distance)
Wednesday, April 17, 2013 at 9:43pm

calculus
Evaluate each of the following. Show all your calculations. f" (1/3) if f(x) = −2x^5 + 2x − 6
Wednesday, April 17, 2013 at 9:41pm

calculus
Evaluate each of the following. Show all your calculations. f" (1/3) if f(x) = −2x^5 + 2x − 6
Wednesday, April 17, 2013 at 9:40pm

calculus
Evaluate each of the following. Show all your calculations. f" (−3) if f(x) = 4x^3 − 3x^2 + 2x − 6
Wednesday, April 17, 2013 at 9:39pm

calculus (gr 12)
Evaluate each of the following. Show all your calculations. f′ (3/4)if f(x) = −3x^3 − 7x^2 + 4x − 11
Wednesday, April 17, 2013 at 9:39pm

calculus (gr 12)
Evaluate each of the following. Show all your calculations. f" (1) if f(X) = −3x^2 − 5x + 7
Wednesday, April 17, 2013 at 9:34pm

calculus (gr 12)
Evaluate each of the following. Show all your calculations. f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8
Wednesday, April 17, 2013 at 9:33pm

calculus (gr 12)
Evaluate each of the following. Show all your calculations. f'(3) if f(x) = x^4 − 3x
Wednesday, April 17, 2013 at 9:22pm

Calculus
A popular search engine is targeting European countries where the number of online households is expected to grow at a steady rate. Data was taken over time, and it was found that the number of online houses (in millions) projected can be modeled by the following function: N(t...
Wednesday, April 17, 2013 at 8:13pm

Calculus
Light is absorbed when it passes through a glass window. If r% of light is absorbed by a glass with thickness w , then the percent of light that is absorbed by a piece of glass with a thickness nw of for any natural number n is modeled by the following function: A(n) = 100 [1...
Wednesday, April 17, 2013 at 5:55pm

Calculus
Use the Evaluation Theorem to find the exact value of the integral ç 7 1 1/5x(dx)
Wednesday, April 17, 2013 at 5:52pm

Calculus
Use the Evaluation Theorem to find the exact value of the integral ç from 1/2 to 0 (a/ã(1−x^2)dx. The answer should involve the parameter a.
Wednesday, April 17, 2013 at 5:50pm

Calculus
An animal population is increasing at a rate of 150+20t animals per year. By how much does the animal population increase between year 5 and year 8?
Wednesday, April 17, 2013 at 5:46pm

Calculus
Find the equation of the tangent line to the curve at the given value of t: x=sin(t); y=(cos(t))^2; t=(pi/3)
Tuesday, April 16, 2013 at 10:42pm

Calculus
Find the arc length of the curve described by the parametric equation over the given interval: x=t^(2) + 1 y=2t - 3 0<t<1
Tuesday, April 16, 2013 at 10:18pm

Calculus
∫3 at top and 2 at bottom x/x^2+1 dx = ? if you could show steps that would be great thanks
Tuesday, April 16, 2013 at 10:08pm

calculus (gr 12)
Evaluate each of the following. Show all your calculations. a) f'(3) if f(x) = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (&#...
Tuesday, April 16, 2013 at 9:55pm

Calculus
On what intervals of t is the curve described by the given parametric equation concave up? Concave down? x=t^2; y=t^(3)+3t
Tuesday, April 16, 2013 at 9:31pm

Calculus
For the curve r = 2 sin 3(theta): Find the arc length of one petal
Tuesday, April 16, 2013 at 9:29pm

CALCULUS-plz help!
For the curve r = 2 sin 3(theta): Find the arc length of one petal
Tuesday, April 16, 2013 at 6:54pm

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