Yum-Yum-Yum restaurant has just increased the wages they pay their employees. to help offset this added expense, Yum-Yum-Yum mus
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This is a vertical line. Vertical lines are composed by points who share the same x coordinate.
That's why the equation of the line is exactly , where k is the shared x coordinate.
In your case, the common x coordinate is 3, so the line is