If f x 5 4 x 2 then f 3 July 8, 2019 16 32 64 128 If $f x ax 4 bx 2 x 5$ and f (- 3 2$ then $f 3 =$ If f '( x )= x 2 1 x 5 and f 1 )= 3 then f 4
