Calculus
posted by Robin .
For the function f described by the following table, estimate ç40 0 f(x)dx using the following. Enter each answer as a sum to show your work.
5 left rectangles
5 right rectangles
5 midpoint rectangles
x 0 4 8 12 16 20 24 28 32 36 40
y 7 46 50 45 7 26 23 3 18 24 19

How about you show us what you got? We've done work on several of your problems so far...