86 Answered Questions for the topic Integrals

07/21/15

Calc word problem! Distance and velocity with integrals.

  A particle is released. Its speed t seconds after release is given by v(t)=0.3t^2+8t. How far does the particle travel during the first 4 seconds? How far does the particle travel during the... more

07/17/15

Express limit as definite integral?

limit as n goes to infinity.   n Σ     i4/n5     on interval [0,1] i=1   Options are:  1             1              1            7          1 ∫  1/x5  , ∫  1/x4    , ∫  x4   ,   ∫  x5  ... more

04/27/15

Consider an integrable function f(x) that is odd

Assume that integral from 0 to 5 f(x)dx=6 and integral from 0 to 8 f(x)dx=4   Find: -integral from 5 to 8 f(x)dx -integral from -5 to 8 f(x)dx                         Please Help!!

03/23/15

calculate the integral (2x - 4x3) dx

Can you help me calculate the integral ∫²1 (2x - 4x3) dx ?And show me the steps to get there? Thanks!

12/14/14

How to find the area under multiple curves

I have a problem here that involves three equations. It wants to know the total area that is bounded by these three equations. they are as follows: y=x y=7 y=x2/28 The domain is [0,14] I know... more

12/14/14

How to find total area of a region

We have a parabola whose formula is y=5sin^2x and is bounded at the top by the line y=5. It is shaded under the y=5 line between x=pi/2 and x=3pi/2. How do I find the area of this shaded... more

11/26/14

Integral Question

Let ∫[−4.5 to −9] f(x) dx= 5, ∫ [−7.5 to −9] f(x) dx= 2, ∫[−4.5 to −6] f(x) dx= 4. Find ∫[−6 to −7.5] f(x) dx= and ∫ [−7.5 to −6] 5 * f(x) −2 dx= I found out that ∫[−6 to −7.5] f(x) dx= -1 however... more

11/20/14

Integral Help

Evaluate the integral. Assume that A is a real number and that A < 0.   integrate 8/(x-2)^4 from 0 to A

11/20/14

HELP! Area Using Integrals

Determine the area that is bounded by the following curve and the x-axis on the interval below. (Round your answer to three decimal places.) y = x^2 − 16, −6 ≤ x ≤ 2      

11/13/14

Estimating Distance Traveled- Integral/Antiderivative Unit

An object has a velocity v(t) = 4/t+45 ft/s. Use the interval [3, 13] with n = 5 and equal subintervals to compute the following approximations of the distance the object traveled. (Round your... more

10/22/14

What is the volume of the surface intercepted by x^2+y^2=1 , z=2-|x| , z=0 ?

triple integrals

10/14/14

how to solve integral of 3x-3/(3x^2-6x+1)?

i have a problem solving this. Help?

10/08/14

What is the integral of f(x)=sin(x/2)/x?

What is the integral of f(x)=sin(x/2)/x?

08/01/14

Integral Problem

Please check the links... more

07/28/14

integral problem

solve for the integral....dx/xsqrt(9-4x^2)

07/28/14

Integral problem

solve for the integral.......cos(x)sqrt(1-cos(x)) in respects to x, lower bound is o and upper bound is pi/2

07/24/14

(dx)/(x^7-x)

find the integral of (dx)/(x^7-x)

07/21/14

Evaluate the integral shown below using the given method

∫sin(x)cos(x) dx   1. substitution where u=sin(x) 2. substitution where u=cos(x) 3 .integration by parts 4. using the identity sin(2x)=2sin(x)cos(x)

06/30/14

What is the tangent function?

I'm not asking what it does, and I'm not looking for "tan(angle)=opposite leg/adjacent leg". I'm asking what the actual function is. For instance, using degrees (not radians) tan(22.5)=20.5 - 1.... more

05/02/14

what is the result of the integral of the following,the letter is q

∫   -2 dq              (cos-1q)√(1-q2)

04/15/14

Please help Calculate the iterated integral (double)

0∫2(0∫¶/2 xsin(y)dy)dx

04/09/14

FIND INTEGRAL 7^3 SQUARE ROOT X

How to find integral of ∫73√x is there a way you can explain  

04/08/14

integral 1/ (x*e^x) dx

find the integral 1/ (x* e^x ) dx

12/14/13

Help with an integral

Can you help me in calculating the integral>   I= dx/sinx(2+cosx-2sinx)    I could really use the help. Thanks to everyone!

11/24/13

Finding a definte Integral

Need help on     ∫1/(1-Χ²)    from -√2/2       to   +√2/2

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