2013 AP Calculus AB FRQ #3 c and d Explination

Explination of the answers to 2013 AP Calculus FRQ #3 c and d. This FRQ involves a table of values. In Part "c" students are asked to approximate the value of an integral by using a Midpoint Riemann sum. It also involves finding an average value that needs to be explained. In part "d" students are asked to find the rate at a given point. They will need to find a derivative and plug in values.