Water is flowing into a conical drinking cup with an altitude of 5 inches and a radius of 3 inches, in (a) Write the radius r of the surface of the…

Water is flowing into a conical drinking cup with an altitude of 5 inches and a radius of 3 inches, in

(a) Write the radius r of the surface of the water as a function of its depth h.

r =

(b) Write the volume V of the water as a function of its depth h.

V =