Answer
x=1
Work Step by Step
The dashed vertical line is such that the graph approaches, but never touches it.
The line has the equation
x=1
You need to log in to continue
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.