Identify the phase shift for the function shown below algebra homework help

1) Identify the phase shift for the function shown below.

a) π/4 to the left

b) π/8 to the left

c) π/4 to the right

d) π/8 to the right

2) 

Which of the following functions is shown in the graph below?

A. 
B. 
C. 
D. 


3- 

Which of the following graph shows the function below?

A.

B.

C.

D.