F x 5x 1 2x 5 July 8, 2019 16 32 64 128 F x )= 1 2x 2 1 5x 5 F x )= 1 5x 5 1 2x 4 F(x) = 1 5x + 2 F(x) = 1 - 5x2 x = 1