What is the domain of the rational function ?
Answer and explanation
Correct answer: B. All real numbers except and
.
The domain is all real numbers except and .
eq 9x > 3-3 < x < 3$ fail to identify both real zeros of the denominator $x^2 - 9$.
The domain is all real numbers except and .
eq 9x > 3-3 < x < 3$ fail to identify both real zeros of the denominator $x^2 - 9$.
- Step 1: The domain of a rational function consists of all real numbers except values where the denominator equals zero :
- Step 2: Exclude these values from the real number line :
Answer
All real numbers except and .
Why not the others: The domain conditions $x
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