Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 9 - Section 9.1 - Quadratic Functions and Models - Exercises - Page 628: 20b

Answer

(B)

Work Step by Step

The chart suggests that the data forms a curve, concave down, intersecting the y-axis at approximately 6 (the important thing is that the y-intercept is positive.) Of the formulas offered, we want the leading coefficient to be negative , and the constant coefficient positive... Choice (B) is the only such choice.
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