[.1- Suppose that He) 2 2:4 633. (A) Find all critical values of f. If there are no critical values, enter "none" If there are more than one, enter them separated by commas. Critical valuels} = D (B) Use interval notation to indicate where x) is increasing. Note: When using interval notation in WeBWorK, you use lNF for 00, -INF for oo, and U for the union symbol. . increasing: [3 (C) Use interval notation to indicate where f (as) is decreasing. Decreasing: C] (D) Find the mcoordinates of all relative maxima of f. if there are no relative maxima, enter "none". if there are more than one, enter them separated by commas. Relative maxima at :c = [j (E) Find the m-coordinates of all relative minima of f. If there are no relative minima, enter "none". If there are more than one, enter them separated by commas. a Relative minima at a: = C] (F) Use interval notation to indicate where f (1:) is concave up. Concave up: D ((3) Use interval notation to indicate where f(:r:) is concave down. Concave down: D (H) Find all inflection points of f. If there are no lnflection points, enter "none". if there are more than one, enter them separated by commas. lnflection pointts) at 2: : D