Let f x 6 x 4 2 3 8 A Find all critical values and list them below Note If there are no critical values enter NONE B Use interval notation to indicate where f x is increasing Increasing C Use interval notation to indicate where f x is decreasing Decreasing D List the values of all local maxima of f If there are no local maxima enter NONE values of local maxima E List the values of local minima values of all local minima of f If there are no local minima enter NONE