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:
$f(1.5)=[[1.5]]=1$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
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
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