Give a 4-term left Riemann sum approximation for the integral below.

Question

16
⌠ 3*((x+2)^(1/2))
⌡
12

Answer 1

You forgot dx :)

Now I just did one of these a couple of questions down. This time use rectangles with the left hand height.
Evaluate left hand heights of function at
12
13
14
15
spacing is one so multiply each left hand height by 1 and add

Answer 2

Thank you Damon! You're a life saver. :)

Answer 3

You are welcome.