D Question 25 1 pts The surface area of a sphere is given by S = 4mr2. The rate of change of the surface area as the radius changes is O ds = 4mr2 dr dt dt O ds 87 72 dr dt dt O ds dr 4Tr dt dt O as dr 8TTT dt dt D Question 26 1 pts On the interval [-2, 2), the function f(ac) = 25 has an absolute maximum but not an absolute minimum has neither an absolute maximum nor an absolute minimum has an absolute minimum but not an absolute maximum has both an absolute maximum and an absolute minimum