4 x )( 3 x 1 27 )= 0 July 8, 2019 16 32 64 128 9 x 1 9 4 * 3 x 10 9 27 0 X 6 f '( x ) 3 27 f x )- 1 4 0 ((x 1)(x 4 x 3 0 x 2 6x 27=0 4 1/2 + 1 1/3