Derivatives 1- Determine all critical points and find the absolute max/min. a) y = 2vx +1 -x [0,2] b) y= ( x -x2)3 [-1,2] 2-Determine all critical points and identify the maxima/minima. a) y = 6x - 4x + 1 b) y = (x+1) - 0.5x