SOLUTION: how can i get my domain and range fron a quafratic equation

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Question 306463: how can i get my domain and range fron a quafratic equation
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
how can i get my domain and range fron a quafratic equation.

The domain of

f%28x%29+=+ax%5E2%2Bbx%2Bc is (-infinity,infinity)

The range of 

f%28x%29+=+ax%5E2%2Bbx%2Bc is: 

(f%28-b%2F%282a%29%29,infinity) if a%3E0

or

(-infinity,f%28-b%2F%282a%29%29) if a%3C0

Edwin