Answer:the answer is A
Step-by-step explanation:
I know because i took the quiz and got it right
ANSWER
Option B
and
Option D.
EXPLANATION
The graph of the function has an amplitude of 2 and a period of

Choose all the equation that has an amplitude of 2 and a period of

These are:

and

The second and the last options are correct.
51,
Find angle y first by setting it equal to 180
With its adjacent angles. Then solve for x by triangle angles
Answer:
Relation 1 : Not a function
R2 : Function
R3: Function
R4: Not a function