College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.3 - Polynomials - R.3 Exercises - Page 31: 103

Answer

The value of the polynomial is $0.02$ less than the graph value

Work Step by Step

1. Evaluate the polynomial: $0.001147x^2 - 4.5905x + 4595$ at the value $x = 1940$. $0.001147x^2 - 4.5905x + 4595 = .001147 \cdot (1940^2) - 4.5905 \cdot 1940 + 4595$ This gives $4316.8 - 8905.6 + 4595$ which equals approximately $6.28$. 2. The value in the graph corresponding to $1940$ is $6.3$. Comparing the value of the polynomial to the value in the graph we find that value of the polynomial is less by $6.3-6.28=0.02$.
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