Algebra 2 (1st Edition)

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

Chapter 7 Exponential and Logarithmic Functions - 7.4 Evaluate Logarithms and Graph Logarithmic Functions - 7.4 Exercises - Problem Solving - Page 505: 62b

Answer

15

Work Step by Step

Given: $s = 30.6 - 20.5(\log A) + 3.8(\log A)^2$ Substituting $A=30000$, we have: $$y= 30.6 - 20.5(\log (30000)) + 3.8(\log (30000))^2=14.989$$ The number of fish species in a lake with an area of 30,000 square meters: 15
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