SOLUTION: State the domain of h(x)=3x^2+5x-3 and a brief explanation! This one is a little harder then the last few questions i've had the other were just simpler. Not sure how to do.

Question 147276: State the domain of h(x)=3x^2+5x-3 and a brief explanation!
This one is a little harder then the last few questions i've had the other were just simpler. Not sure how to do.
Answer by nabla(475) (Show Source): You can put this solution on YOUR website!
Domain means what values of x are valid, or rather, produce solutions.
Can you see any real number of x that we can put in here that will not produce a real solution? I cannot.

So, we shall say the solution is all real numbers. In symbols, a double-strike R. In interval notation: (-infinity symbol, infinity symbol).

A tip: Just think of domain as what values of x can be used. Think of range as what y values are possible. In general, ranges are trickier to determine.
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