SOLUTION: What is the domain of g(x)=3x/x^2-16? I tried figuring it out and have no clue. All I got was Domain: (-infinity,4]U[4,inifnity)and my precal teacher said it was incorrect.

Question 910136: What is the domain of g(x)=3x/x^2-16? I tried figuring it out and have no clue. All I got was Domain: (-infinity,4]U[4,inifnity)and my precal teacher said it was incorrect.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Solve to get or

The values or make the denominator zero.

Therefore, you must kick them out of the domain of all real numbers.

The domain is actually

Notice how I used parenthesis and NOT square brackets. I do NOT want to include -4 or 4 in the domain.
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