Monday

December 22, 2014

December 22, 2014

Posted by **Anonymous** on Thursday, October 28, 2010 at 11:05am.

y = 2x - x2

- calc -
**jai**, Thursday, October 28, 2010 at 11:15amis y = 2x - x^2 the function given? if it is,

area under the curve means the integral at these particular bounds,, first you have to recall how to integrate:

for ax^n (a is constant), add 1 to the power, then this n+1 must be divided:

integral (ax^n) = (a)[x^(n+1)]/(n+1)

thus for 2x - x^2, we do it separately (by term):

integral 2x = 2x^(1+1)/(1+1) = x^2

integral x^2 = x^(2+1)/(2+1) = (x^3)/3

then evaluate x^2 - (x^3)/3 from 0 to 2.

hope this helps. :)

- calc -
**jai**, Thursday, October 28, 2010 at 11:18am**i'll just retype it to make the integration part clearer:

integral 2x = [2x^(1+1)]/(1+1) = (2x^2)/2 = x^2

integral x^2 = [x^(2+1)]/(2+1) = (x^3)/3

**Answer this Question**

**Related Questions**

Math help - Can someone give me a heads up on how to even start this problem.. ...

Math help - We have no ideal on how to start this problem, we have look for it ...

Math help - We have no ideal on how to start this problem, we have look for it ...

Math - Find the area under the standard normal curve between z = 0.7 and z = 2....

stat - Find the area under the standard normal curve to the left of z = 1.88, P(...

Statistics help - Consider the following. (Give your answers correct to two ...

Math - Find the area under the standard normal curve between -1.32 and the mean...

math check - Find the area under the standard normal curve between -1.32 and the...

Math check - Complete the following hypothesis test: Ho: ì = 52, Ha: ì < 52...

math check - A machine produces parts with lengths that are normally distributed...