Answer
This is a function.
Work Step by Step
Wherever a vertical line is placed on the graph, it will not intersect the function multiple times. Thus, by the vertical line test, this is a function.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 4 - An Introduction to Functions - 4-5 Writing a Function Rule - Practice and Problem-Solving Exercises - Page 271: 14
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