Use the function f(x) = 11z12 - 12all to answer the following questions. (a) Find the interval(s) on which f(r) is increasing. Number of increasing intervals: Choose one (b) Find the interval(s) on which f(x) is decreasing. Number of decreasing intervals: Choose one (c) Find the interval(s) on which f(x) is concave up. Number of concave up intervals: Choose one (d) Find the interval(s) on which f (r) is concave down. Number of concave down intervals: Choose one (e) Find the I-coordinate(s) of any /all inflection point(s). Number of inflection points: Choose one