23) the period of the function f(x) = 2 cos(3x + 135°) - 5 is:
a) 135°
b) 45°
c) 120°
24) the amplitude of the function f(x) = -2 cos(3x + 135°) – 5 is:
a) -2
b) 3
c) – 5
d) 2
25) the phase shift of the function f(x) = -2 cos(3x + 135° - 5 is:
a) 135° to the right b) 45° to the right c) 45° to the left
d) 135° to the left
26) if the related acute angle is 32° and the terminal arm of 0 is in quadrant 4, then 0 =?
a) 302°
b) 328°
c) 212°
d) none of these