Assuming you need the integral expressing the volume of

, the easiest setup is to integrate with respect to

first.
This is done with either


Thanks to symmetry, integrating with respect to either

or

first will be nearly identical.
First, with respect to

:


Next, with respec to

:

ANSWER
A. x-8
EXPLANATION
The given functions are:

We factor this to get,

and




Cancel the common factors to get,

Answer:
k=1/4
Step-by-step explanation:
1/4x1=1/4
0x1/4=0
-1x1/4=-1/4
-2x1/4=-1/2
Very easy
He had to put $65 bc. he had to balance his account then added $25