Here's the question you clicked on:
Avenged7x
What are the amplitude, period, phase shift, and midline of f(x) = 7 cos(2x + π) − 3? Amplitude = −3; period: π; phase shift: x = negative pi over 2; midline: y = 3 Amplitude: 7; period: π; phase shift: x = negative pi over 2; midline: y = −3 Amplitude: 7; period: 2π; phase shift: x = pi over 2; midline: y = 3 Amplitude: −3; period: 2π; phase shift: x = pi over 2; midline: y = −3
what is the range of cos?
idk this is all it gives me