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September 29, 2016

Search: calculas

Number of results: 152

calculas
If f(x)=3x-1 and g(x)=2/3x+2 find: a) f(-3)+g(6) b)f(3)-g(2)
June 5, 2011 by Genevieve

ap calculas
derivative of (-x^3+3)(3x+2)^3
March 25, 2013 by Rebecca

calculas
how to find the x intercepts for f(x) = 3x^3+7x^2+3x+1
March 23, 2009 by Sandra

calculas
f(x)=ln[(1+e^2x)/(e^2x-4) find the derivative
March 29, 2010 by Lori

pre -calculas
No answer.
April 25, 2012 by Anonymous

ap calculas
derivative of (2x^3+5)cos2x^5
March 25, 2013 by Rebecca

calculas
If f(t) = square root of 7/t^5. Find f'(x) and f'(2)
October 21, 2010 by sandy

Calculas
Find the length of the curve y=(2x), from x=1 to x=4.
July 24, 2012 by Drew

pre-calculas
Can someone please help me?
September 18, 2012 by ladybug

Calculas
area between the curves y=4-x^2 and y=x-8
December 21, 2014 by jessica

Calculas
Evaluate the definite integral. S4 (-3x+4) dx 1
November 10, 2015 by Please Help !!!

AP Calculas
Does f(x)=(2x^3-2x)/x^3+x^2-4x-4 have any horizontal asymptotes? How can you tell?
October 7, 2010 by Yishan shan

Calculas
find the compute derivative of f(x)=sinh^2(5x)
April 12, 2012 by ASB

pre-calculas
rationalize the denominator: 5 + the sq. rt. of 3 ________________________ 4 + the sq. rt. of 3
February 16, 2014 by Marina

calculas
Please help don't understand how to solve it. 3xy-6x+2y^2 dx/dt=-6 x=2 y=-3 thank you
June 28, 2016 by Barry

Calculas
how to find the x intercepts for f(x) = 3x^3+7x^2+3x+1 please show your steps
March 23, 2009 by Sandra

calculas
The function f(x)= (8x-7)e^2x has one critical number. Find it
November 5, 2009 by jenny

CALCULAS
POLAR EQUATION OF INWARDLY SPIRALING SPIRAL
February 13, 2010 by YAMNA

Pre Calculas
verify the following 1+1/csc^2x-1=sec^2x
November 2, 2011 by Raven

calculas
let p=(1,1,1), Q=(2,3 5), and R=(-1,3,1). find the area A of thr triangle with vertices P,Q, and R
December 11, 2012 by Anonymous

calculas
Solve following equations tan^(2 ) x-5tanx=-6
March 5, 2013 by preet

Calculas
Integrate: Cos^7(2x) Explanation would be helpful
February 16, 2015 by Pen

calculas
Differentiate the explict funtion of 9x^2 + 64y^2 = 576
March 27, 2016 by Sagar

Calculas
F(X)=9 csc6(X) it is continous from -infity to infinity except what value?
October 24, 2012 by Mohammad Al-Abdullah

calculas
Write following equations in polar coordinate then graph them Y=4X
March 5, 2013 by preet

Calculas
Find the area of the region under the curve y = 12 e ^{3 x} between x = -2.6 to x =2.6
March 8, 2014 by ryan

Calculas
W= [ a , a+b ] (2x2 matrix) a-b , b a, b are element of R Show that W is a Subspace of M22?
April 10, 2016 by Wong

calculas
Question # 01 Solve the inequality and sketch the solution on a coordinate line.
March 20, 2007 by khan

Calculas
I stumble a question I cannot answer please help up. Find value of limit k for equation:
May 9, 2010 by Mike

pre-calculas
Use "completing the square" to find the zeros of the polynomial. =2x squared + 6x + 5 = 0
February 16, 2014 by Marina

Calculas
find the tangent line of the following function Y=2sinx + sinx^2 at the points Pi/6,5/4
October 26, 2014 by Bashar

pre-calculas
find the LCD and solve: x+3 12x + 4 1 - 2x ____ + _________ = _______ 3-x x squared - 9 x + 3
February 16, 2014 by Marina

Pre Calculas
Need help Give an example of an exponential function that goes through the point (0,4) .
November 25, 2015 by Reese

Calculas
Use the derivative of sinx and cosx to develop the derivatives of y=secx and y=tanx? Help would be much appreciated
October 26, 2014 by Bashar

calculas
Find the volume of the solid that is obtained when the region under the curve y=x+3 over the interval [5, 24] is revolved about x-axis.
June 28, 2012 by raza

math- 165 calculas
Find the horizontal asymptote of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = 5x^2 + 1/ 7x^3 − 2x^2 + 5
October 6, 2015 by akash

Calculas
Find any critical numbers of the function. (Enter your answers as a comma-separated list.) g(t) = t sqrt6 − t , t < 13/3 I don't even know how to start out!
February 19, 2012 by Mary

Applied calculas
Let y=〖tan〗^(-1) x Rewrite it as an equation involving a trig function. Use implicit differentiation to determine an expression for y.
April 8, 2013 by jack

calculas
Find the equations for the tangent line and normal line to the curve for f(x)=(x^4)+(2e^x) at the point (0,2)?
September 28, 2010 by john

Math ( calculas)
find the intervals on which the curve y=x/(x+1)^2 is concave upward or concave downward.
March 27, 2011 by Tina

Pre Calculas
how would you varify the following sinx+sinx cot^2x=cscx
November 2, 2011 by Raven

pre-calculas
what is the function whose graph is the graph of y=+4, but is reflected about the the x-axis. y=
September 19, 2012 by ladybug

calculas
Consider the function f(x) = 7 xe^{-7.5 x}, 0<_x<_2. This function has an absolute minimum value equal to: which is attained at x=
February 19, 2014 by ryan

Calculas
Can someone walk me through the following questions: Partial Derivatives f(x,y) = x^7 -8y -3 find x and y f(x,y) = 7 / 5x + 4y, find x and y
June 11, 2008 by Annette

pre-calculas
write a function whose graph is the graph of y=x^2, but is shifted to the left 6 units.
September 18, 2012 by ladybug

Calculas
what is the velocity (in ft/s) of a sandbag 2.75 s after it is released from a hot-air balloon that is stationary in the air?
December 21, 2014 by jessica

pre-calculas
simplify the following complex fraction: x ____ -2 x-5 _____________________________________ x squared - 9x - 10 ____________________ x squared - 25
February 16, 2014 by Marina

Calculas
The slope of the tangent line to the graph of a function, h(t) is 7/2t The function passes through the point (5,3) Find h(4)
March 2, 2014 by ryan

Calculas
Evaluate lim x→0 10x/√(9+x)-√(9-x)
March 16, 2013 by Radical Limits!

calculas
Let f(x) = 1+3sin2x be a function, determin the amplitude and the period of the function,
April 3, 2013 by mathews

calculas
Let f(x) = 1+3sin2x be a function, determin the amplitude and the period of the function,
April 3, 2013 by mathews

calculas
Let f(x) = 1+3sin2x be a function, determin the amplitude and the period of the function,
April 3, 2013 by mathews

differential calculas
Find the instantaneous velocity and acceleration at the given time for the straight-line motion described by the equation: s= (t+2)^4- (t+2)^(-2) at t=1 Round to one decimal place.
November 26, 2012 by Preet

Calculas
Can someone please walk me through the steps for the following Partial derivatives problems: f(x,y) = x^7 - 8y - 3, find x and y f(x,y) = 7 / 5x+4y, find x and y
June 11, 2008 by Annette

high school calculas
Find the (a) the local extrema, (b) the intervals on which the function is increasing, (c) the interval on which the function is decreasing h(x)=2/x
November 6, 2008 by pipi

Calculas
I stumble a question I cannot answer please help up. Find value of lower and upper limit of k for equation: (3x^3-5)/x^2 dx = 10 limit: -k , k
May 9, 2010 by Mike

Calculas
Given f(x)=x^3−2x+5/x+4 and f′(3)=a/b, where a and b are coprime positive integers, what is the value of a+b? Details and assumptions f′(x) denotes the derivative of f(x).
March 16, 2013 by Derivative of f(x)

calculas
Suppose that the box height is h = 2 in. and that it is constructed using 193 \text{in.}^2 of cardboard (i.e., AB = 193). Which values A and B maximize the volume?
April 7, 2014 by MEMO

math- 165 calculas
Find the horizontal asymptote of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = x^3 − 3x^2 + 5x + 1/ x^2 − 5x + 3
October 6, 2015 by akash

Pre-Calculas
I a lighthouse is 75 feet tall and boat is out at sea 40 min away, how far is the boaat from the lighthouse. I'm stump on this problem..Help!
September 1, 2011 by Carlos

calculas,math
A cylindrical can is made from tin.If it can be contain liquid inside it then what is the parameter of design if we are oblige use the minimum amount of tin.
December 2, 2013 by mash

Pre Calculas
A man who can row in still water at 3 mph heads directly across a river flowing at 7 mph. At what speed does he drift downstream?
May 12, 2015 by Jared

calculas 1
Find the value(s) of c guaranteed by the Mean Value Theorem for Integrals for the function over the given interval. (Enter your answers as a comma-separated list.) f(x) = x^9, [0, 9]
May 7, 2016 by Sam

differential calculas
The angular displacement in radians is given by: θ=8√(t^2+2) Find the angular velocity and angular acceleration at t = 0.25 s
November 26, 2012 by Preet

Calculas
Johnny is designing a rectangular poster to contain 15 in^2 of printing with a 5-in margin at the top and bottom and a 3-in margin at each side. What overall dimensions will minimize the amount of paper used?
December 7, 2014 by jessica

Pre Calculas
Im having a little trouble help please? 1.Given the table below, evaluate the following: x -3 -2 -1 0 1 2 3 4 5 f(x) 10 20 30 40 50 60 70 80 90 g(x) -1 -2 -3 -4 -5 -6 -7 -8 -9 a. (3f+2g(1) b. (fog)(-1) 2. Express the following function, H(x) as a composition of two functions f...
October 8, 2015 by ryan

Calculas
Suppose that the radius r of a right circular cone of fixed height h = 30 cm is increasing at a rate 10 cm/s. How fast is the volume increasing when r = 15? Give your answer correct to two decimal places.
October 12, 2010 by Jp

calculas
A car braked at a constant deceleration of 45 ft / s2, producing a skid mark measuring 105 feet before coming to a stop. How fast was the car travelling when the brakes were first applied?
December 4, 2011 by jordan

Calculas
The profit obtained when x barbecues are sold is P(x) = 100 x − 3x^2 (lnx) dollars . Find the marginal profit when 4 are sold.
April 4, 2014 by jake

Calculas
Write the equation for a line in point slope form and in slope intercept form parallel to 3x-4y=12 and passes through (8,3).
August 8, 2016 by Edgar Martinez

calculas
if the length is decreasing at a rate of 2 in./min. while width is increasing at a rate of 2 in./min., what must be true about area of the rectangle
December 7, 2010 by Anonymous

Calculas
Do I just put in 3 for t? A ball is dropped from a tower 550 meters above the ground with position function s(t) = 4.9t^2 + 550. What is the velocity of the ball after 3 seconds?
December 16, 2014 by John

Pre-calculas Math
how to find the exact value of: cos(9*pi/12)*cos(5*pi/12)+sin(9*pi/12)*sin(5*pi/12)
November 4, 2012 by Jon

calculas
airplanes fly from left to right along the path y=1+(1/x)and can shoot their bullets in the tangent direction at creatures placed along the x-axis at x=1,2,3,4 and 5.determine whether a creature will be hit if the player shoots when the plane is at p(1,2)
November 25, 2015 by khalid

Calculas HS
a trucker handed in a ticket at the toll booth showing that in 2hours she had covered 159 mi on a toll road with speed limit 65mph. the trucker was cited for speeding. why?
November 6, 2008 by dt

calculas
consider the following. Function y = cos 3x point (pi/4, -square root of 2/2) (a) Find an equation of the tangent line to the graph of f at the given point. (Let x be the independent variable and y be the dependent variable.)
March 26, 2016 by Sagar

Calculas HS
show that the solution has exactly one solution in the interval x+ln(x+1)=0, 0<and equal to x <and equal to 3
November 6, 2008 by elley

pre-calculas
Find the function that is finally graphed after following transformations are applied to the graph of y=x in the order list 1. shift down 8 units 2. reflect the x-axis 3. reflect the y-axis
September 18, 2012 by ladybug

pre-calculas
Find the slant asymptote, if any, of the rational function. Do not graph the function. (Enter your answers as a comma-separated list of equations. If an answer does not exist, enter DNE.) f(x) = x2 − 2x + 15 _____________ x + 7
March 10, 2013 by melanie

calculas
find the perimeter of the rectangle with maximum area that can be inscribed in a semicircle of radius 2 ft. if two of its vertices are on the diameter of the semicircle and the other two are on the semicircle.
December 7, 2010 by Anonymous

differential calculas
A rocket fired at 275 m/s at 36o angle of elevation is described by: x= (275cos〖36〗^0 )t and y= (275sin〖36〗^o )t-4.9t^2 Find the velocity (magnitude and direction) at t = 8 s. Round to 1 decimal place.
November 26, 2012 by Preet

calculas
caluclas (intersection of three planes) HELP!!!? in the equations k is a real number 1.x-2y+z=4 2.x-y-z=3 3.x+y+kz=1 for what values of k does the system 1.have exactly one solution? 2.have an in finite number of solution?
March 27, 2011 by ram

Calculas
an open box is to be made from a square piece of cardboard whose sides are 19 inches long,by cutting squares of equal size from the corners and bending up the sides. Determine the size of the aquare that is to be cut out so that the volume may be a maximum.
December 7, 2014 by jessica

calculas
x and y are both variables that are differentiable with respect to t, but not to each other. however, there is a relationship between them: x^2=3y^2+7. we also know that x changes with respect to t at a steady rate of square root of 12 (dx/dt=x'= square root 12). when x is 4 ...
December 7, 2010 by Anonymous

calculas
2) A ball is hit at an angle of 36 degrees to the horizontal from 14 feet above the ground. If it hits the ground 26 feet away (in horizontal distance), what was the initial velocity? Assume there is no air resistance.
April 6, 2011 by arun

Pre Calculas
If you deposit $5,000 in an account that pays 5% interest compounded annually, how much money will you have in your account at the end of 15 years? Write an exponential function that represents this situation. I got 1,500,000 but im not sure if i did it right and im stuck
November 25, 2015 by Ryan

Limit Calculas
Evaluate lim->4 sin(2y)/tan(5y) Here is what I have so far. I am not sure the next steps. Can someone help me? 1. sin(2y)/(sin(5y)*cos(5y)) 2. (sin(2y)*cos(5y))/sin(5y)
September 12, 2012 by Ryan

Pre-Calculas
The voltage E of an alternating current electrical circuit can be represented by the sinusoidal function E = 220 cos( t), where E is the measured in volts and t is measured in seconds. How long does it take the alternating current to complete one full cycle?
September 10, 2011 by Anonymous

differential calculas
A point moves along the curve that has the parametric equations: x=9t^3- 〖6t〗^2 and y= 〖9t〗^3+27 x and y being in yards and t being in minutes. Find the magnitude and direction of the acceleration when t= 5/2. Round answers to 3 significant figures.
November 26, 2012 by Preet

Pre Calculas
True or false (logx)^2=2logx True or false in56/in7=in8 i got true for the first one and false on the second im sorry for posting today but i just need someone to check
November 26, 2015 by Ryan

calculas
If sin theta equals two third and zero degrees less than theta less than 90 degrees find cosine theta
March 12, 2011 by joe

calculas
find the volume of the solid generated by revolving the region about the given line. the region in the first quadrant bound above by the line y=1, below by the curve y=√(sin5x) ,and on the left by the y-axis, above the line y=-1
December 18, 2012 by akela

calculas
At timet=0s, the radius of a circle is equal to15cm. The radius of the circle increases at a rate of0.5cm/s. The rate of change of area att=20sis equal tomπcm^2/s, wheremis a positive integer. What is the value ofm?
March 22, 2013 by stranger

calculas
A landowner wants to fence in a rectangular area of 60000 square metres and divide it into three parts with two parallel fences both parallel to one side of the rectangle. Each part will have a different grazing crop for the herds. What is the shortest total length of fence ...
February 19, 2014 by ryan

Calculas
Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function Line f(x) = 2x^2 6x y + 4 = 0 I know i have to find derivative 1st which will be f'(x)=4x but then how to i find equation do i plug 6 in for x so 4(6) would it be 6x-24???
February 14, 2012 by Anonymous

calculas(URGENT..... PLEASE....)
1) A region is bounded by the line y = x and the parabola y = x2 - 6x + 10. What is the volume of the solid generated by revolving the region about the x-axis? would u please give the explanation with a detailed steps to the answer because i am not able to reach the final ...
April 12, 2011 by arun

calculas 1
Use upper and lower sums to approximate the area of the region using the given number of subintervals (of equal width). (Round your answers to three decimal places.) y = 7/x number of interval between are 5 upper sum= lower sum=
May 7, 2016 by Sam

calculas
An unfenced rectangular plot of land with an area of 15000 square feet is to be split up into two rectangular gardens. Find the minimum amount of fencing required to define and separate these two gardens? Where do I begin? I just want to know how to set up the equation to ...
November 30, 2015 by Seth

calculas
If a ball is thrown vertically upward from the roof of 48 foot building with a velocity of 80 ft/sec, its height after t seconds is s(t)=48+80t16t2. What is the maximum height the ball reaches? (my answer is 148). What is the velocity of the ball when it hits the ground (...
October 21, 2010 by sandy

Calculas
In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weapons and got into the bones of people alive at the time. If the half-life of strontium-90 is 32 years, what fraction of the strontium-90 absorbed in 1965 remained in people's ...
August 26, 2010 by Cratch

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