Answer
Option $(f)$
Work Step by Step
RECALL:
The equation of a vertical line is of the form $x=h$ where $h$ is any real number.
Thus, the graph of $x=-4$ is a vertical line.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 3 - Introduction to Graphing - 3.3 Graphing and Intercepts - 3.3 Exercise Set - Page 179: 7
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