The figure at right is the graph of f'(x), thesecond derivative of a function f(x). The domainof the function f(x) is all real numbers, and thegraph above shows f' (x) for ?3.6

Free Response Question 5 [no calculator] You mayr not use your calculator for this question. 5. The figure at right is the graph of f'isL the second derivative of a function y}. The domain of the function f(x] is all reai numbers, and the graph above shows f'ix} for 3_6Ex3_ . A. Find all vaiues of J: in the interval [3_s_3_s} where fix] has a horizontal tangent