Question

Find the period, range, and amplitude of the cosine function.

y = 3/2 cos t/2

Answer 1

Can you post the choices?

Answer 2

Amplitude = 3/2
Period = 4 * pi
Range = [ -3/2, 3/2]

Answer 3

period = 4pi, range: –three-halves ≤ y ≤three-halves; amplitude = three-halves
period = one-half, range: –three-halves ≤ y ≤ three-halves; amplitude = –three-halves
period = 4pi, range: –three-halves ≤ y ≤three-halves; amplitude = –three-halves
period = one-half, range: y ≤ three-halves; amplitude = three-halves

Answer 4

A