SAT Math Multiple Choice Practice Question 26: Answer and Explanation
If this graph represents f(x), then the number of solutions to the equation f(x) = 1 is
E. It cannot be determined from the information given.
Correct Answer: C
C. The number of solutions to the equation f(x) = 1 is just the number of times that the graph has a height of 1, which you can see in the following diagram: