Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - 2.6 Graphs of Basic Functions - 2.6 Exercises - Page 255: 9


The graph that is discontinuous in many points is the one in Option $B$. The graph's range is the set of integers. Inset notation, the range is $\left\{...-3, -2, -1, 0, 1, 2, 3, ...\right\}$.

Work Step by Step

The graph in Option $B$ has many gaps so it is discontinuous at many points. The function's values are $-3, -2, -1, 0, 1, 2, 3...$. Thus, the graph's range is the set of integers.
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