Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 3 Linear Systems and Matrices - 3.7 Evaluate Determinants and Apply Cramer's Rule - 3.7 Exercises - Mixed Review - Page 209: 53


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Work Step by Step

Given: $x+y\geq3$ $\rightarrow y\geq-x+3$ The solution is the boundary line and anything above it. $4x+y \lt 4$ $\rightarrow y \lt -4x+4$ The solution is below the (dashed) boundary line. The area where the regions overlap is the solution.
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