How do you find the domain of f(x)=8/(x+5)?

1 Answer
Jim G.
May 18, 2017

x inRR,x!=-5

Explanation:

The denominator of f(x) cannot be zero as this would make f(x) undefined. Equating the denominator to zero and solving gives the value that x cannot be.

"solve "x+5=0rArrx=-5larrcolor(red)" excluded value"

"domain is " x inRR,x!=-5

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