1.   State the phase shift for y = 2.5 sin .
    A. B. 2
    C. -2 D. -
    Hint

  2.   State the amplitude, period, phase shift, and vertical shift for
    A. B.
    C. D.
    Hint

  3.   State the amplitude, period, phase shift, and vertical shift for
y = 3 cos - 4.
    A. 3; 8; -2; -4 B. 4; 8; -2; -3
    C. 4; 8; 2; 3 D. 3; 8; -2; 4
    Hint

  4.   Write an equation of a cosine function with amplitude 3, period , phase shift , and vertical shift 2.
    A.
    B.
    C.
    D.
    Hint

  5.   State the vertical shift and the equation of the midline for
the function y = 3 cos + 4.
    A. -4; y = -4 B. -3; y = -3
    C. 3; y = 3 D. 4; y = 4
    Hint