Answer:

Step-by-step explanation:
It can be found by integral.
First let's find the intersection points.

Only intersection point is x = 2.
And it is asked to find the area in the interval (2, 4).

We will use integration by parts.


Answer:
2.62 ft./min
Step-by-step explanation:
Just took the test.
First one is 12^2
second one is 1
12 - 23 = -11
-11 + 1,345 = 1,334
1,334/123 = 10.85
Answer:
1 1/15
Step-by-step explanation:
(I think)
And I am not a very good explainer
(sorry)