Use the following information to answer questions 43-45.

The graph of y = f(x) is shown in the standard (x,y) coordinate plane below with 5 points labeled.

44. The function y = f(x) can be classified as one of the following types of functions. Which one is it?

Answer and Explanation

Your Answer is

Correct Answer is K

Explanation

Because y is periodic, it is a trigonometric function. Choose K.