You can drag the points to adjust a, b, and c; you may also enter a value for c directly into the input box.
The following refer to the function [math]f\left(x\right)=2x+2[/math] over the interval [math]\left[-4,1\right][/math].
Find the average value of the function over the interval.
Find the value of [math]c[/math] for which [math]f\left(c\right)[/math] is equal to the average value of the function over the interval.