SOLUTION: find domain and range for y= x^2+3

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Question 156196: find domain and range for y= x^2+3
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
find domain and range for 

The domain for every polynomial is (,)

To find the range, solve for x:







= ±

= ±

What is under a square root must be greater than
or equal to 0, so





In interval notation that is 

[3,).

Edwin
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