Q: Do all lines represent functions

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yes

Only if the two functions really represent the same function.

A function is a mapping between two sets, the domain and the range, such that each element in the domain is mapped to only one element in the range. This is true for all lines in a plane except those that are parallel to the y-axis. Thus, all non-perpendicular lines are functions but vertical lines are not functions.

They are all represented by straight lines.

The parallel lines represent scarification patterns.

Related questions

No

yes yes No, vertical lines are not functions

yes yes No, vertical lines are not functions

yes

yes yes No, vertical lines are not functions

Only if the two functions really represent the same function.

A function is a mapping between two sets, the domain and the range, such that each element in the domain is mapped to only one element in the range. This is true for all lines in a plane except those that are parallel to the y-axis. Thus, all non-perpendicular lines are functions but vertical lines are not functions.

A function is a mapping between two sets, the domain and the range, such that each element in the domain is mapped to only one element in the range. This is true for all lines in a plane except those that are parallel to the y-axis. Thus, all non-perpendicular lines are functions but vertical lines are not functions.

They are all represented by straight lines.

horizontal lines represent latitude and vertical lines represent longitude

The parallel lines represent scarification patterns.

The lines in each diagram represent an electric field. The stronger the field, the close together the lines are.