Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 3 - Section 3.2 - Graphing Linear Equations - Exercise Set - Page 214: 36

Answer

a) Please see the graph. b) $(25,341.2)$ c) This ordered pair means that, in 1995, revenue was 341.2 billion dollars.

Work Step by Step

a) $y=13.4x+6.2$ Let $x=0$ $y=13.4x+6.2$ $y=13.4*0+6.2$ $y=6.2$ Let $x=1$ $y=13.4x+6.2$ $y=13.4*1+6.2$ $y=13.4+6.2$ $y=19.6$ Let $x=2$ $y=13.4x+6.2$ $y=13.4*2+6.2$ $y=26.8+6.2$ $y=33.0$ Three points on the line are $(0,6.2), (1,19.6),$ and $(2,33.0)$. b) $y=13.4*x+6.2$ $y=13.4*25+6.2$ $y=335+6.2$ $y=341.2$
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