SOLUTION: What is the domain and range of y=-Cos(x/3)

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Question 334842: What is the domain and range of
y=-Cos(x/3)

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
The domain is all x since there is no restriction on x.
The range of the cosine function is [-1,1].
Since the only multiplier is -1 the range remains the same.

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