
Concept explainers
Draw a line through all points with an x-coordinate of 4.

To graph:
To graph a line through all points with an x -coordinate of 4.
Answer to Problem 1RE
Explanation of Solution
Given:
Given a line passes through all points with an x -coordinate of 4.
Calculation:
All the points with x -coordinate of 4 are of the form
Hence, the equation of the line is given by
The line is parallel to y -axis and crosses the x -axis at x = 4
Graph:
Plotting the graph using graphing calculator:
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