The volume of a right circular cylinder of radius r and height h is V h a Assume that r and h are functions of t Find V t b Suppose that r e4t and h e8t Use part a to find V t c Does the volume of the cylinder of part b increase or decrease as t increases a Find V t Choose the correct answer below OA V t 2 r t h t h t r t r t OC V t r t h t b V t