Answer:
The first one
Step-by-step explanation:
The amplitude is usually the first number (for example, in this equation, the 3). Then you also know that the right or left shift depends on the addition or subtraction sign. Usually, the subtraction sign means to the right and the addition sign means to the left.
2 is the y -4 is the x I believe that this is the answer
He would have gotten 24 right out of 30 questions to get 80% on his 3rd test