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# Help

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Let $f(x) = \frac{3x - 7}{x + 1}.$ Find the domain of $f$. Give your answer as an interval.

Please give the answer in interval notation! I tried (-inf, 3)U(3, inf) but it is not the answer.

Lightning  Jul 6, 2018
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$$f(x) = \frac{3x - 7}{x + 1}$$

x+1=0

x=-1

(-inf, -1)U(-1, inf)

Omi67  Jul 7, 2018