Answer
A
Work Step by Step
The answer is $A$ because $a\gt0$ means the parabola opens upward, and $b^2-4aclt0$ means that there is no intersect with the x-axis.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 3 - Polynomial and Rational Functions - 3.1 Quadratic Functions and Models - 3.1 Execises - Page 314: 42
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