Answer
(-a, b)
Work Step by Step
To reflect a function across the y-axis as in f(-x) you must multiply the x-coordinates by -1. This gives us the point (-a, b).
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.