Review the graph. Which function represents the graph?

Question

asked Oct 19, 2023 103k views

2 Answers

LuKenneth · Answer 1 · 2023-10-24T11:24:29+0000

Answer: C

Explanation:

Since y = 0 at x=3pi/2, we know that this is a cosine graph.

So to determine if its -cos or cosine, we can test the pt (0, 1).

Since cos(0)=1 whereas -cos(0)=-1, the answer is y=cos(x).