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.
7.8 should be it, i am so sorry if its wrong hope it helps if its correct!
Answer:
there is 21 boys
Step-by-step explanation:
hope that helps
Answer:
B
Step-by-step explanation:
B because it is the farthest away from 0.
Answer:
d
Step-by-step explanation:
I believe it is d if I'm not wrong