SOLUTION: What is the amplitude of the following equation: y+1=3cos(pi/4)(x-2). Make sure to show work.

Question 1138151: What is the amplitude of the following equation: y+1=3cos(pi/4)(x-2).
Make sure to show work.
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

a is the amplitude
b determines the period: b = 2pi/period
c is the phase (horizontal) shift
d is the vertical shift

The given equation, in that form, is

The amplitude is a, which is 3.
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