Question

Use a left-hand sum with 4

intervals to approximate the area
under f(x) = 4 - x² between
x = 0 and x = 2.

Answer 1

25 / 4

Explanation:

To find the left sum, you need to....
1.) Find Δx

2.) Find
`x_(k-1)`

3.) Find ∑
`^n_(k=1)f(x_(k-1))`Δx

4.) Solve for the left sum

Answer 2

The answer is 6.25

I hope that this helps :)