Let g(x) = [*f(t) f(t) dt, where f is the function whose graph is shown. 3 6 9 y f 3 6 9 12 15 18 3 (a) Evaluate g(x) for x = 0, 3, 6, 9, 12, 15, and 18. 9(0) = 9(3) ===== 9(6) == 9(9) = 9(12) === t 21 21 9(15) = 9(18) = = (b) Estimate 9(21). (Use the midpoint to get the most precise estimate.) 9(21) = (c) Where does g have a maximum value? Where does it have a minimum value? minimum