Answer
y = 6x +12
Work Step by Step
We notice that at x=0, y is equal to 12. We also note that as x increases by 3, y increases by 18. Hence, the equation should be:
$$ y = \frac{18}{3} x + 12 \\ y =6x+12 $$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - 1.5 Use Problem Solving Strategies and Models - 1.5 Exercises - Skill Practice - Page 38: 22
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