College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Section 1.1 - The Coordinate Plane - 1.1 Exercises - Page 92: 12

Answer

Refer to the image below for the sketch.
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Work Step by Step

RECALL: The point $(x, y)$ has: $x$ = directed distance of the point from the y-axis (negative when to the left of the y-axis, positive when to the right) $y$ = directed distance of the point from the x-axis (negative when below the x-axis, positive when above) Thus. the set $\left\{(x, y)|y\lt 3\right\}$ represents the set of points whose y-values less than 3. These points are found in the region below the horizontal line is $y=3$. Since the points on the line $y=3$ are not included, the line will be graphed using broken lines. (refer to the attached image in the answer part)
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