SOLUTION: Is the domain of 3x^2-5 infinity?

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Question 485170: Is the domain of 3x^2-5 infinity?
Answer by tinbar(133) About Me  (Show Source):
You can put this solution on YOUR website!
Yes, although you use the term 'infinity' quite loosely; mathematically unacceptable.
Domain for given function: All elements x, such that x belongs to the set of Real Numbers. (this definition includes both positive and negative infinity)