5 f x 2 16 A List all critical numbers of f If there are no critical numbers enter NONE Critical numbers B Use interval notation to indicate where f x is increasing Note Use Inf for oo Inf for oo and use U for the union symbol Increasing C Use interval notation to indicate where f x is decreasing Decreasing D List the x coordinates of all local maxima of f If there are no local maxima enter NONE z values of local maxima E List the x coordinates of all local minima of f If there are no local minima enter NONE values of local minima F Use interval notation to indicate where f z is concave up Concave up G Use interval notation to indicate where f x is concave down Concave down