Given the function f(:r) = 3:3 + 132 53: 5, do the following: 1) Find the critical numbers. 2) Find the interval(s) on which f is increasing. 3 Find the interval(s) on which f is decreasing. Find the point of inflection. (4. (4. (4. (4.4 (4. (4. Find the local minimum. (4. l l 5) Find the local maximum. 5) 7) Plot the graph of f and clearlyr label the points given in (4.4) (4.6)