The slope of a vertical line is undefined.
Step-by-step explanation:
- The slope of a line in graph or any system could be given as the ratio of the change in the y coordinates to change in the x coordinates
- Here, it is given that the vertical line which passes through a single coordinate in the x-axis. There is only one coordinate is available in the x-axis. There are several points is available in the y coordinates.
- Hence, it is defined as undefined because, if the denominator has zero then it becomes undefined.
- Now, it is understood that the reason why the line has given has a slope undefined.
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Answer: 
Step-by-step explanation:
The range is the set of output values for the domain (the set of inputs).
- When x=-5, y=
. - When x=0,
. - When x=2,
So, the range is 
