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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.

 Jul 6, 2018
 #1
avatar+10104 
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\(f(x) = \frac{3x - 7}{x + 1}\)    

 

x+1=0

x=-1

 

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

 

laugh

 Jul 7, 2018

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