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Precalculus 9 Online
OpenStudy (anonymous):

domain and why? 3x^2+4x+1

OpenStudy (tkhunny):

All Real Numbers. Why not?

OpenStudy (anonymous):

Because no real value of X that you can plug in makes the thing undefined.

OpenStudy (tkhunny):

There you have it! Good work.

OpenStudy (anonymous):

Thanks so much!

OpenStudy (precal):

domain for all quadratics is all real numbers

OpenStudy (tkhunny):

x = y^2 + 3y + 4?

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