Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 4 - An Introduction to Functions - 4-3 Patterns and Nonlinear Functions - Practice and Problem-Solving Exercises - Page 251: 26

Answer

Yes, it is a function. The equation of this function is $y = 2x + 3.$ The y-intercept is 3, and for every time x increases, y increases by $2$.
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Work Step by Step

This is a linear function because it has a constant slope. The y-intercept is 3 and the slope is 2, so the equation is $y=2x+3$.
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