College Algebra (11th Edition)

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

Chapter 2 - Section 2.6 - Graphs of Basic Functions - 2.6 Exercises - Page 239: 6

Answer

Graph (B) $f(1.5)=1$

Work Step by Step

The function $y=[[x]]$ matches graph B because it looks like a step function. To find out the $y$ value when $x=1.5$ we round down: $f(1.5)=[[1.5]]=1$
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