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What is the domain and range of these two functions?

 

y-2cos(2x)+1

 

 

y=3sin(x-π/4)

 Mar 14, 2020
 #1
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The domain (x values) of both functions is -infinity to +infinity.

 

The range (y values) of the first function is from -1 to 3 since cosine ranges from -1 to 1.

 

Similarly, the range of the second function is from -3 to 3 since sine also ranges from -1 to 1.

 Mar 14, 2020

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