Work Step by Step
A rational function is undefined whenever the denominator equals 0. To make the function undefined, set $y+5$ equal to 0. We can easily see that the value that makes this true is $y = -5$.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.