You can drag the values to adjust a, b, and c; you may also enter a value for c directly into the input box.
Find the value of [math]c[/math] at which the instantaneous rate of change in [math]f\left(x\right)=\left(4x+8\right)^{\frac{1}{2}}[/math] is equal to the average rate of change over the interval [math]\left[-2,0\right][/math].