Question 5 1 pts On what interval of x is f "(x) > O? ( )( Note: This is the graph of the den'vative off, not the graph off. Question 6 1 pts Which statement that is correct about f " (a) at x = - 2. y = FXx) 3 -2 -1 2 Note: This is the graph of the derivative of f, not the graph of f. Of "(-2) is positive Of "(-2) is negative Of" (- 2)=0 Of"(-2) is undefinedQuestion 7 2 pts On what interval of x is f"(x)