Homework: Question 16, 2.5.53 ... Part 1 of 2 O Points: 0 of 6 An incomplete graph of the polynomial function f(x) = - x +x-+ 16x - 16 is shown on the right. a. Find all zeros of the function. a b. Without using a graphing utility, draw a complete graph of the function. [-5. 0, 1] by [-45, 20, 5] a. The zeros are (Use a comma to separate answers as needed.)