f ftt Let g x f t dt where f is the function whose graph is shown 1 9 6 3 3 y 4 5 3 g 15 22 5 g 18 0 6 9 12 a Evaluate g x for x 0 3 6 9 12 15 and 18 g 0 0 g 3 g 6 0 g 9 40 5 g 12 36 XXXX x x x f x 15 18 21 T9 5 3 002