Answer:
The amplitude is 3
Step-by-step explanation:
Given
The right function is:

Required
The amplitude
A sine function is represented as:

Where

By comparing:
and 

So:


<em>Hence, the amplitude is 3</em>
Im not sure but I feel like its the third one.
The answer is answer choice 3
The answer to this question is d
Because 3/6 is equal to 1/2 (one half).