53 23 Find the global maximum and minimum points of the function f(x) = -5x3+x interval [-1,3]. a.) The global minimum is -2 at x=-1. The global maximum is 4 at x = 0. b.) The global minimum is -2 at x = -1. The global maximum is -23/9+4 at x = 3. c.) The global minimum is - 33/4+4 at x = 2. The global maximum is 4 at x = 0. d.) The global minimum is -23/9+4 at x = 2. The global maximum is 4 at x = 0.