Differentiate each function with respect to x. 1) y= ~x' - 5x + 2x 4 2 ) f ( x ) = - - x2 + 4x -' _ 3) y= (x5 + 3)(4x4 + 1) 4) f(x) = (3x3 - 1)(3x3 + 1) 5) f (x) = (-x2+5)(4x4 +4) 6) y= (2x3 - 1)2 7) y= (-4x5 + 5)3 8) y= (2x3 + 1)3 9) v-5x + 4 4x *+ 4x2 5x5 - 5 10) y = 3x5 + 3 11) y = cos 5x3 12) y = cos 2x2