5. Given the function f (x) = -2 cos(nx - ") a. Determine the amplitude of f (x). b. Determine the period of f (x). c. Determine the phase shift of f (x). d. Sketch two periods of the graph of f (x). Label the tick marks on both of the axes. You may need to add marks to this one. + + + + + Given the function f (x) = cos(x) + 2 b. Determine the period of f (x). a. Determine the amplitude of f (x). c. Determine the phase shift of f (x). d. Sketch two periods of the graph of f (x). Label the tick marks on both of the axes