How do you find the domain of p(t)=(t+9)/(t+3)?

1 Answer
Jim G.
Aug 22, 2017

t inRR,t!=-3

Explanation:

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

"solve "t+3=0rArrt=-3larrcolor(red)" excluded value"

"domain is "t inRR,t!=-3

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