Question

For each given graph of f(x),sketch a graph of A(x), the area under function f(x)?

Answer 1

The graph should be the amount of the integral.

Explanation:

`1. A_1(x)~~x`
graph{x [0, 5, -1, 5]}
`2. A_2(x)~~x^2`
graph{x^2 [0, 5, -3, 25]}
`3. A_3(x)~~(x-2)^2`
graph{(x-2)^2 [0,4, -1, 4]}