Identify the Maximum and Minimum Values of the Function in the Interval

Multiple Choice

Identify the maximum and minimum values of the function in the interval $[-2 \pi, 2 \pi]$ . Use your understanding of transformations, not your graphing calculator.
- $$y = 6 \cos x$$

A) Maximum value $= 12 ;$ minimum value $= - 12$
B) Maximum value $= 6$ ; minimum value $= - 6$
C) Maximum value $= 3$ ; minimum value $= - 3$
D) Maximum value $= 6$ ; minimum value $= 0$