SOLUTION: Find the domain and range f(x)= 2- x^2

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Question 100714: Find the domain and range
f(x)= 2- x^2
Found 2 solutions by edjones, stanbon:
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
the domain is all real numbers
the range is all real numbers =<2 or f(x)(-infinity, 2]
Ed

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the domain and range
f(x)= 2- x^2
Domain: all Real Numbers
Range : Since x^2 >=0 2-x^2 <=2
So, Range is "all Real Numbers <= 2"
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Cheers,
Stan H.