Question Find the period, range, and amplitude of the cosine function. y=−4cos8x (1 point) Responses period: 12 , range = −4≤y≤4 , amplitude = -4 period: 1 half, range = −4≤y≤4 , amplitude = -4 period: 12π , range = −4≤y≤4 , amplitude = -4 period: 1 half pi, range = −4≤y≤4 , amplitude = -4 period: 14π , range = −4≤y≤4 , amplitude = 4 period: 1 fourth pi, range = −4≤y≤4 , amplitude = 4 period: 14 , range = −4≤y≤4 , amplitude = 4 period: 1 fourth, range = −4≤y≤4 , amplitude = 4 Skip to navigation