Find the period, range, and amplitude of the cosine function.
y =- 4 cos 8x
(1 point)
O period: 1, range = -4 ≤ y ≤ 4, amplitude = 4
O period: 2, range =- 4 ≤ y ≤ 4, amplitude =- 4
O period: -T, range = -4 ≤ y ≤ 4, amplitude = 4
O period: >T, range = -4 ≤ y ≤ 4, amplitude =- 4