If f x 6 x 2 find f 5 July 8, 2019 16 32 64 128 If f x 6 3x 2 find f 5 If f x 2 )= 6x 2 5x 8 find f 5 If f x ln 6 x 2 5 x 4 5 cos x find f x If f x )= 5x 6 and g x )= x 2 4x 8 find f g )( x Find f 2 if f x x 1 2 9 6 5 If f ( x ) = 1 x 2 find f ' ( 5 )