Answer
See below
Work Step by Step
Given: $T=\frac{17800d+20000}{3d^2+740d+1000}$
From the graph, the mean temperature is $4$ degrees Celsius at a depth of about $1237.4$.
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 8 Rational Functions - 8.3 Graph General Rational Functions - 8.3 Exercises - Problem Solving - Page 570: 33b
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