03:52
Calculus Early Transcendentals
(a) Find the average value of $f$ on the given interval.
(b) Find $c$ such that $f_{\text {ave }}=f(c)$.
(c) Sketch the graph of $f$ and a rectangle whose area is the same as the area under the graph of $f$.
$$
f(x)=\sqrt{x}, \quad[0,4]
$$