SOLUTION: What is the domain of l(x)= 3/(x^2+7)?

Question 107222: What is the domain of l(x)= 3/(x^2+7)?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

The domain is the values of x where l(x) is defined.
The only issue is if the denominator equals zero since division by zero is undefined.
Since the denominator contains a square of x, it will always be greater than zero.
Therefore the domain is all x from (, ).
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