Question 17 of 25 (4 points) Back Question 17 Next Identify the period and amplitude of the graph of y = -6 cos : then identify any vertical or phase shifts in the graph as compared to the corresponding basic function, y = cos x. Amplitude = Period = Enter each shift by typing a number of units in the answer box and then choosing a direction from the menu. If there is no shift, enter 0 and choose "no phase shift" (or "no vertical shift") from the menu Phase shift = Vertical shift = units (Click For List) v units (Click For List) v