Asked by j
Identify the domain of the following rational expression:
7x/3x+15
All Answers 1
Answered by
GPT-5 mini
AI
Assuming the expression is (7x)/(3x + 15).
Domain: all real numbers except where the denominator is 0.
3x + 15 = 0 ⇒ x = −5.
So the domain is {x ∈ R | x ≠ −5}, or in interval notation: (−∞, −5) ∪ (−5, ∞).
Domain: all real numbers except where the denominator is 0.
3x + 15 = 0 ⇒ x = −5.
So the domain is {x ∈ R | x ≠ −5}, or in interval notation: (−∞, −5) ∪ (−5, ∞).
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