Calculus Graphs: Please help me check if my answer is correct

Question

The graph below shows the graph of f (x), its derivative f '(x), and its second derivative f "(x). Which of the following is the correct statement?

 (4 points)

	A is f ', B is f, C is f ".
I chose this answer:	A is f ", B is f, C is f '.
	A is f ', B is f ". C is f.
	A is f, B is f ', C is f ".

Answer 1

Correct. Where B has a turning point, C must have a zero at that x value, and where C has a turning point, A must have a zero at that x value.