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 leftb) π/8 to the leftc) π/4 to the rightd) π/8 to the right2) 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.