Use the graph below to answer the question that follows: cosine graph with points at 0, 1 and pi over 2, negative 5, and 2 pi, 1 What are the amplitude, period, and midline of the function? (1 point) Amplitude: 6; period: 2π; midline: y = −3 Amplitude: 6; period: π; midline: y = −3 Amplitude: 3; period: π; midline: y = −2 Amplitude: 3; period: 2π; midline: y = −2