Question

1. what are the peaks of a periodic function?a. the highest points of the graphb. the lowest points of the graphc. the extremes of the graphd. the x-intercepts of the graph

Answer 1

This is a periodic function, it is a repeating function.

We could see that there are two extremes of the function, the peaks, and the troughs. But the peaks are specifically the highest points of the graph.

Thus, the answer is;