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October 1, 2014

Homework Help: Math: Calculus

Recent Homework Questions About Calculus

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Calculus
Find a number, delta, such that if |x-2|<delta, then |4x-8|<0.1 I don't have a clue how to begin this. My teacher just started off the lesson with this without any explanation so I am at a loss. A step-by-step explanation would be very much appreciated!!
Saturday, September 7, 2013 at 6:30pm

calculus
After solving with A=(-1,2) x^2+2x^2+x+1 got 119/12a pls where did i get it wrong. And with -[(-55)] x^2-25dx i got -50 pls am i correct
Saturday, September 7, 2013 at 1:24am

calculus
integrating e^1/3dx i got 3e1/3 +c pls am i right
Friday, September 6, 2013 at 11:43pm

calculus
find the area enclosed between the x-axis and the curve, if y=x^2-25 for (-5) is less than or equal to x less than or equal to 5
Friday, September 6, 2013 at 10:56pm

calculus
find the area enclosed between the x-axis and the curve, if y=x^3 and the straight line y=x
Friday, September 6, 2013 at 10:52pm

calculus
find the area enclosed between the x-axis and the curve, if y=x^3+2x^2+x+1 between x=-1 and x=2
Friday, September 6, 2013 at 10:50pm

calculus
Determine l= 2e^xdx, given that l=50.2, when x=3
Friday, September 6, 2013 at 10:34pm

calculus
int 7/(2x-5)dx =
Friday, September 6, 2013 at 10:31pm

calculus
int -1,0x^3dx =
Friday, September 6, 2013 at 10:29pm

calculus 2
Integral of 63x(cos(x))^2 dx I got: 63x^2/4 +63sin(2x)/4 +63cos(2x)/8 +C I keep getting this answer but the online site says it's wrong.
Friday, September 6, 2013 at 9:30pm

calculus
int 0^1e^2edx =
Friday, September 6, 2013 at 7:39am

calculus
intergal xcosax^2dx =
Friday, September 6, 2013 at 7:38am

calculus
int e^5xsin3xdx =
Friday, September 6, 2013 at 7:34am

calculus
int dx/3sinx+4cosx dx =
Friday, September 6, 2013 at 7:32am

calculus
int cos6xcos4xdx =
Friday, September 6, 2013 at 7:21am

calculus
int e^5xsin3xdx =
Friday, September 6, 2013 at 7:15am

calculus
int x^2/(x-2)(x^2+1)dx
Friday, September 6, 2013 at 7:13am

Calculus
The region bounded by y=-x^2+14-45 and y=0 is rotated about the y-axis, find the volume.
Thursday, September 5, 2013 at 2:55pm

Pre-Calculus
How to find domain of: y = -3 + ãx+6
Tuesday, September 3, 2013 at 7:29pm

calculus
Some scientists believe that the average surface temperature of the world has been rising steadily. They have modeled the temperature by the linear function T = 0.02t + 8.75, where T is temperature in °C and t represents years since 1900. (a) What do the slope and T-...
Tuesday, September 3, 2013 at 2:08pm

MATH/CAREER
If I want to be a pharmacist should I take IB Calculus or Math 251&252 in high school ?
Monday, September 2, 2013 at 9:28pm

Calculus
State the domain and range for each: f(x) = 4x + 1 and g(x) = x^2 f(x) = sin x and g(x) = x^2 - x + 1 f(x) = 10^x and g(x) = log x
Monday, September 2, 2013 at 4:36pm

Calculus
Math questions, please help me? :(? Find the composite functions f o g and g o f for the given functions. f(x) = 10^x and g(x) = log x State the domain and range for each: f(x) = 4x + 1 and g(x) = x^2 f(x) = sin x and g(x) = x^2 - x + 1 f(x) = 10^x and g(x) = log x If f = {(-2...
Monday, September 2, 2013 at 4:08pm

Calculus
Find the sum and difference functions f + g and f – g for the functions given. f(x) = 2x + 6 and g(x) = 2x - 6 f(x) = x^2 - x and g(x) = -3x + 1 f(x) = 3x^3 - 4 and g(x) = -x^2 + 3 State the domain and range for the sum and difference functions in #3. Find the product and...
Monday, September 2, 2013 at 4:08pm

Math-Calculus
Hi, I am trying to figure out what the limit as h approaches 0 of (1-2h)^(1/h) is. I am unfamiliar with the process I am supposed to use to solve this limit. I have just been reasoning out this limit, but I keep getting the answer, 1^(infinity)=1. My thinking when working with...
Saturday, August 31, 2013 at 7:02pm

Calculus
Differentiate: y=sin(2z)+cos^2z
Thursday, August 29, 2013 at 6:50pm

calculus book
sorry i am new to this website. Do any of you know any website that offer free or cheap online book. Calculus Early Transcendentals, 10th Edition NEW! Howard Anton, Irl C. Bivens, Stephen Davis THANK U.
Thursday, August 29, 2013 at 6:13pm

Calculus
You have just opened a new nightclub, Russ' Techno Pitstop, but are unsure of how high to set the cover charge (entrance fee). One week you charged $9 per guest and averaged 165 guests per night. The next week you charged $10 per guest and averaged 150 guests per night. (a...
Thursday, August 29, 2013 at 1:29pm

Calculus
You have just opened a new nightclub, Russ' Techno Pitstop, but are unsure of how high to set the cover charge (entrance fee). One week you charged $9 per guest and averaged 165 guests per night. The next week you charged $10 per guest and averaged 150 guests per night. (a...
Wednesday, August 28, 2013 at 5:09pm

calculus 2
Can you give us an example of finding the speed from the velocity? Suppose your velocity was v(t) = 2ti - 3j. What would be the speed?
Tuesday, August 27, 2013 at 11:35pm

Calculus
Find the limit as x approaches 0 of (tan6x)/(sin2x)
Sunday, August 25, 2013 at 4:57pm

AP Calculus
Find an equation of the tangent line to the graph of f at the given point. f(x)=27/(x^2+9) (-3,3/2) I got y=x/2+3, but I don't think its right.. please help!
Saturday, August 24, 2013 at 5:20pm

Calculus
Given that f(x)= x^3 i f x≥0 x i f x<0 which of the following functions is even? I. f(x) II. f(|x|) III. |f(x)|
Friday, August 23, 2013 at 5:07pm

Calculus
Find the derivative of y=[6(x^3/2)]/x thankyouu! i got 9sqrtx but i don't think that's right!
Tuesday, August 20, 2013 at 5:32pm

Calculus
Find the limit of the following as x ->2 6-x, if x<2 2x+1, if x is greater than or equal to 2
Tuesday, August 20, 2013 at 4:42pm

Math
Is IB Math Studies the same as Pre-Calculus? I heard that IB Math Studies is for students who have a low background in math. Is that right?
Tuesday, August 20, 2013 at 2:02am

Calculus
Rainflow is a new U- Shaped system of guttering. The cross section is a semi circle with a radius of x topped by an open rectangle of height h. The total distance ABC is 20cm For which values of x and h will rainflow carry the most water ?
Monday, August 19, 2013 at 4:47am

Calculus
Skateboarders Velocity is given as v=3t-0.2t^2 What is his max velocity
Monday, August 19, 2013 at 2:30am

Calculus
The limit as X approaches 8 of (2- cube root of x)/ (x-8)
Sunday, August 18, 2013 at 10:07am

Calculus
Find the limit of x as it approaches zero. (Sin^2 8x)/x^2
Sunday, August 18, 2013 at 9:40am

calculus
how would you solve a problem like this for X: (1/3=(3^2x+2)
Sunday, August 18, 2013 at 12:01am

Calculus
Find the limit of the function as x approaches -3 (2x^2 +4x+1) I'm not sure if you would break it apart using te theorems or direction substitue -3 into the equation?
Sunday, August 11, 2013 at 4:09pm

Calculus
Find the point on the line -3x+5y-5=0 which is closest to the point (-4,0). Please Help!
Thursday, August 8, 2013 at 4:04pm

Calculus
Express the area of the region in the xy-plane enclosed by the curve ((x^(2))/(9))+((y^(2))/(4))=1 in terms of an integral.
Tuesday, August 6, 2013 at 2:01pm

Calculus
Let A(x)=∫x^(2),∞; (e^-t/t)dt for x>0. Find A'(x)
Tuesday, August 6, 2013 at 1:04pm

Calculus
Let f(x)=|x+1|/(x^(2)-1). Sketch the graph of y=f(x) for -4<=x<=4.
Tuesday, August 6, 2013 at 9:27am

Calculus
Let A(x)=∫x^(2),∞, ((e^(-t)/(t))dt for x>0. Find A'(x).
Tuesday, August 6, 2013 at 6:11am

Calculus
Let f(x)=|x+1|/(x^(2)-1). Is f continuous? If not,classify any points of discontinuity as infinite, jump, or removable. Sketch the graph of y=f(x) for -4<=x<=4
Monday, August 5, 2013 at 2:42pm

Calculus
Find the equation of the tangent line to the curve x^(3)+3xy+y^(3)=1 at the point (1,0).
Monday, August 5, 2013 at 2:14pm

Calculus
Let f(x) = \sqrt[3] x. The equation of the tangent line to f(x) at x = 8 is y = (1/12)(x-8)+2. Using this, we find our approximation for sqrt[3] {8.1} is ?
Monday, August 5, 2013 at 1:48pm

Calculus
Find the derivative: y=x^(sin(x))
Monday, August 5, 2013 at 12:54pm

Calculus
Find the domain, range, and inverse of the function f(x)=arcsin(sqrt(x))
Monday, August 5, 2013 at 11:57am

Calculus
Let f(x) = x ^3. The equation of the tangent line to f(x) at x = 5 is y=75x - 250 What is the approximation for 4.6 ^3?
Monday, August 5, 2013 at 11:41am

Calculus
Let f(x)=-x^2+3x on the interval [1,3]. Find the absolute maximum and absolute minimum of f(x) on this interval.
Monday, August 5, 2013 at 11:38am

Calculus
The function f(x) = (9 x+2)e^{-6 x} has one critical number. Please help me find the critical number!
Monday, August 5, 2013 at 9:24am

Calculus
Consider the function f(x) = x^4 - 72 x^2 + 3, -5 less than or equal to x less than or equal to 13. This function has an absolute minimum value equal to and an absolute maximum value to
Monday, August 5, 2013 at 9:23am

Calculus
Find the linear approximation of f(x)=\ln x at x=1 and use it to estimate \ln 1.47.
Monday, August 5, 2013 at 9:14am

Pre Calculus 2
A ship regularly travels between two ports that are 350 miles apart. When traveling directly from A to B, the ship sails on a bearing of . However, to avoid a storm, one day the ship leaves A on a bearing of and travels for 6 hours at 17mph. When the bad weather has passed, it...
Sunday, August 4, 2013 at 3:45pm

Writing
Writeacher,when is the best time for me to post this so that you are available? Prompt: New laws are being proposed that would require schools to accommodate students who wish to transfer to a different school if the school falls below a certain level on statewide standardized...
Sunday, August 4, 2013 at 12:28am

Maths- Calculus
a sheet of cardboard is to be folded up to make a closed box. If the cardboard measures 55 cm by 80cm calculate the maximum volume of the box that can be made from this sheet of cardboard
Saturday, August 3, 2013 at 8:37pm

differential calculus
a bed is in a form of a circular sector. find its radius if the area of the sector is 1000 centimeter square and its perimeter is a minimum
Wednesday, July 31, 2013 at 7:38am

Calculus-Series
Sigma with n=1 to n= positive infinity (x^3)* (e^(-x^4)) Does it converge or diverge and use the integral test to show how. I got that it diverges, but this isn't correct. Can someone please explain? Thanks.
Monday, July 29, 2013 at 10:34am

Calculus--Steve plz?
Find the inverse Laplace transform of the function: F(s)=1/(s(s+1)(s+2)) ...A special thank you to Steve who has already been a tremendous help! Thank you so much =)
Monday, July 29, 2013 at 3:40am

Calculus
This integral does not converge using the normal (Leibniz) definition of integration. Using the identity: int(0-->inf)f(t)/(t)dt = int(0-->inf)F(p)dp, find: integral(0-->inf)(cos(at)+cos(bt))/t dt
Monday, July 29, 2013 at 12:26am

Calculus
Let xy=1 and dy/dt=1 Find dx/dt when x=5
Sunday, July 28, 2013 at 9:11pm

Calculus HELP
A particle is moving along the curve y=5 sqrt (2x+6). As the particle passes through the point (5,20 , its x-coordinate increases at a rate of 5 units per second. Find the rate of change of the distance from the particle to the origin at this instant.
Sunday, July 28, 2013 at 6:47pm

Calculus
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) Please help!
Sunday, July 28, 2013 at 6:21pm

Calculus!!
Using the identity: L{f(t)/t}=integral F(p)dp (s -->infinity), find the integral of: sin(t)/t dt (0-->infinity)
Sunday, July 28, 2013 at 3:44pm

calculus
Find the inverse Laplace transform of the function: F(s)=1/(s(s+1)(s+2))
Sunday, July 28, 2013 at 3:38pm

Calculus-PLZ HELP STEVE!
Find the inverse Laplace transform of the following function: F(s)=(9+s)/(4-s^2)
Sunday, July 28, 2013 at 5:04am

calculus
Write the form of the partial fraction decomposition of the function do not determine the numerical values of the coefficients. 1/x^4-2401
Sunday, July 28, 2013 at 12:37am

Calculus HELP!
Use the fact that L{f'}=sF-f(0) to derive the formula for L{cosh at}
Saturday, July 27, 2013 at 9:33pm

Calculus
Solve the differential equation by using Laplace transforms. Find the particular solution that satisfies them of: y''+2y'+y =4e^(-t)
Saturday, July 27, 2013 at 9:27pm

calculus
Solve the DE by using the Laplace transform: x''+x=cos(3t), x(0)=x'(0)=0
Saturday, July 27, 2013 at 4:33pm

Calculus
Find the inverse Laplace transform of: F(s)=3/(s-4)
Saturday, July 27, 2013 at 4:30pm

Elements of Structures MIT 2.02
This is my last chance and I need to see if my calculus is correct. Is it correct ? Q2_2_4 vA=-5.82 cm ??
Saturday, July 27, 2013 at 2:32pm

Calculus
How can I prove this series alternating series converges(this is the answer)? (-1)^2*(2/3)^n I tried it this way: an = (2/3)^n, then i just broke it down. 2^n/(3^n) and i took the ratio of it and got 2/3 which does not equal to one which would mean the series diverges.. but ...
Friday, July 26, 2013 at 11:23pm

Calculus-HELP!!!
Find the inverse Laplace transform of: F(s)=2/s^4
Friday, July 26, 2013 at 3:31pm

calculus (please help steve)
Evaluate ∬(x^2+y^2)^2/(x^2y^2) dx dy over the region common to the circles x^2+y^2=7x and x^2+y^2=11y.
Friday, July 26, 2013 at 8:09am

Calculus
Find the Laplace transform of: f(t)=t-2e^(3t)
Thursday, July 25, 2013 at 9:40pm

calculus (please help steve)
Evaluate ∬(x^2+y^2)^2/(x^2y^2) dx dy over the region common to the circles x^2+y^2=7x and x^2+y^2=11y.
Thursday, July 25, 2013 at 6:17pm

calculus
Evaluate ∬(x^2+y^2)^2/(x^2y^2) dx dy over the region common to the circles x^2+y^2=7x and x^2+y^2=11y.
Thursday, July 25, 2013 at 4:41pm

Calculus-HELP!!!
Find the Laplace transform of: f(t) = cos^(2)(2t)
Thursday, July 25, 2013 at 3:43pm

Calculus-HELP!!!
Find the Laplace transform of: f(t) = cos^(2)(2t)
Thursday, July 25, 2013 at 2:32pm

calculus
valuate ∬(x^2+y^2)^2/(x^2y^2) dx dy over the region common to the circles x^2+y62=7x and x^2+y^2=11y
Thursday, July 25, 2013 at 2:19pm

calculus
Evaluate ∬R 1/sqrt(x^2+y^2) dx dy, where R is the region bounded by y≥0 and x^2−x+y^2≤0.
Thursday, July 25, 2013 at 2:11pm

calculus
Let V be the volume of the region bounded by x^2+y^2≥z^2, z≥0 and x^2+y^2+z^2≤1. What is the value of ⌊100V⌋?
Thursday, July 25, 2013 at 2:10pm

calculus
A ball is thrown straight downward from the top of a tall building, with an initial speed of 30 ft/s. Suppose the ball strikes the ground with a speed of 190 ft/s. How tall is the building? Acceleration is -32 ft/s squared
Wednesday, July 24, 2013 at 1:27pm

Calculus-HELP PLZ !!!!
Find the complete general solution to the 2nd ODE: 9y'' + 9y' - 4y = 0
Monday, July 22, 2013 at 4:37pm

Calculus
Find the slope of the functions graph at a given point. Then find an equation for the line tangent to the graph there. f(x)=2*square root of x. (1,2) Could someone please help me figure this one out?
Sunday, July 21, 2013 at 6:24pm

calculus (hint?)
f(x) is a twice differentiable function such that f(2x)=f(x+5)+(x−5)^2 What is f''(x)?
Sunday, July 21, 2013 at 6:01pm

Calculus (Limits)
f(x) is a function differentiable at x=1 and f′(1)=1/13. What is the limit of (x^3 - 1)/f(x) - f(1) as x approaches 1?
Sunday, July 21, 2013 at 3:17am

Calculus-HELP!!!
Find the complete general solution and a particular solution that satisfies the initial conditions: 2y'' + y' - 4y = 0 y(0)=0, y'(0)=1
Saturday, July 20, 2013 at 9:10pm

calculus
If f(x)=∫ (from -x to x) cos(t)/(1+e^t) dt and x=asin(77/85), then the absolute value of f′(x)−f(x) can be expressed as a/b, where a and b are coprime positive integers. What is the value of a+b?
Saturday, July 20, 2013 at 7:28pm

calculus
If f(x)=∫ (from -x to x) cos(t)/(1+e^t) dt and x=asin(77/85), then the absolute value of f′(x)−f(x) can be expressed as a/b, where a and b are coprime positive integers. What is the value of a, and what is the value of b?
Saturday, July 20, 2013 at 4:32pm

calculus
f(x) and f′(x) are continuous, differentiable functions that satisfy f(x)=x^3+4x^2+∫ (from 0 to x)(x−t)f′(t) dt. What is f′(5)−f(5)?
Saturday, July 20, 2013 at 3:58pm

Calculus
Find f(x) by solving the initial value problem. f '(x) = 3ex - 4x; f(0) = 10 f(x) =
Friday, July 19, 2013 at 7:34pm

Calculus
The management of Lorimar Watch Company has determined that the daily marginal revenue function associated with producing and selling their travel clocks is given by R '(x) = -0.003x + 12 where x denotes the number of units produced and sold and R '(x) is measured in ...
Friday, July 19, 2013 at 7:33pm

Calculus
Find f (x) by solving the initial value problem. f '(x) = 6x^2 - 10x; f(2) = 5 f(x) =
Friday, July 19, 2013 at 7:33pm

Calculus
The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 144 − x^2 where p is measured in dollars and x is measured in units of a thousand. Titan will make x ...
Friday, July 19, 2013 at 7:32pm

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