Consider the function f(z) = Answer the following questions about f (). Put answers in decimal 2 + 4 form if necessary. 8x 32 - 24x2 You may use the facts that f'(I) and f"(x) (2 + 4) 2 (z2 + 4) 3 a. Find the critical value(s). 0 b. On what interval(s) is f() increasing? (0,00 ) c. On what intervals(s) is f() decreasing? (-co,0) d. Find the smaller inflection point. VB e. Find the larger inflection point. 2 V 3 of f. On what interval(s) is f(I) concave up? g. On what interval(s) is f(I) concave down