suppose that . note: several parts of this problem require answers entered in interval notation. note, with interval notation, you can enter the empty set as . (a) list all the critical values of . note: if there are no critical values, enter none. (b) use interval notation to indicate where is increasing. increasing: (c) use interval notation to indicate where is decreasing. decreasing: (d) list the values of all local maxima of . if there are no local maxima, enter none. values of local maxima
