F x )= 15 5x July 8, 2019 16 32 64 128 F x )= 5x2 15 − 5x3 25x F x )= 5x 15 inverse F x )= √ 15 5x F x )= 3 5x 15 F x )= 5x2 20x 15 F x )= 5x 2 15 Given f x )=- 5x 15 find f 4 F x 2x3 5x2 2x 15