College Algebra 7th Edition

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

Chapter 1, Equations and Graphs - Chapter 1 Test - Page 173: 14


$41\leq F\leq 50$

Work Step by Step

We know that the Celsius temperature is restricted to lie between $10$ and $5$ degrees, so we have: $5 \leq\frac{5}{9}(F-32)\leq 10$ $5*9/5 \leq F-32\leq 10*9/5$ $9\leq F-32\leq 18$ $41\leq F\leq 50$ So the equivalent temperature range in Fahrenheit is between $50$ and $41$ degrees.
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