Answer
x=0, x=-4
Work Step by Step
On the graph of f(x), when f(x) = -5, x=0 and x=-4. f(x)=5 is how you write y=5 in function notation.
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.