Answer:
3.20
Step-by-step explanation:
Given:
The sine function is:

To find:
The frequency of the graph of given function.
Solution:
If a sine function is defined as:

Then, the frequency of the sine function is:

We have,

Here,
. So, the frequency of the given function is:


Therefore, the correct option is D.
Answer:
I think either A or D. not sure tho. sry!
20 in I’m for sure on this answer