Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 3 - Review: 43

Answer

C

Work Step by Step

Because the equations in 43-46 are all expressed in slope-intercept form ($y=mx+b$) and all have the same slope ($m$ value), the easiest way to match the graphs to their equations is by using the $y$ intercept ($b$ value). The equation $f(x)= 3x + 1$ has a $b$ value of 1, so it matches to the line in graph C, which crosses the y axis at (0, 1).
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