Hello anybody know calculus AB

Question

anonymous · Answer

I'm doing AB homework right now :) Can I help you with something? I'm doing the Fundamental Theorem of Calculus and Mean Value Theorem with integrals.

anonymous · Answer

I am the best ab'er in the land. Show me your pest and I shall slay it.

anonymous · Answer

Oh wow, that's all I had to do? Cool i guess ;)

rea201 · Answer

my phone wouldnt let me reply. but thatvis exactlybwhat i am doing

anonymous · Answer

is there a question here?

rea201 · Answer

Never mind sorry for the both but can someone help solve this. Find F'(x) for F(x)= Int((1/t^2)dt) Upper value=x^2 Lower value=2

anonymous · Answer

Formally, $$\int\limits_{a}^{b}f(x)dx = (b-a)f(c)$$
It is basically just saying this
|dw:1389328400380:dw|
That the actual area under the curve from a to b is equal to the area formed by a rectangle with base (b-a) and height c. Where c is the average value of f(x)