23 2. Let f(a) = x - 2 (Note: The values you get for part (b) should not be an integer. Please round to 2 decimal places, so NSolve may be useful.) (a) [2] Explain why x = 2 is not in the domain of f (x). (b) [2] Determine all the critical values for f(x). (Note: do not forget about x = 2.) (c) [2] Determine the intervals for which f is increasing. (d) [2] Determine the intervals for which f is decreasing. (e) [2] Determine all the values of x for which f"(x) = 0 or f"(x) DNE. (f) [2] Determine the intervals of for which f is concave up. (g) [2] Determine the intervals of for which f is concave down. (h) [2] Determine, if any exist, the coordinates of the relative minimum(s). (i) [2] Determine, if any exist, the coordinates of the inflection points