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If the x-values repeat in a table, is it a function or not a function?

User N K
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2 Answers

2 votes

Answer:

Explanation:

NOT a function because if we have two repeating x-values and two different y-values for the same x is not a function.

Think if two points stand on the same vertical line, is not a function.

If the x-values repeat in a table, is it a function or not a function?-example-1
User Akshay Borade
by
7.8k points
3 votes

Answer:

Explanation:

x y

3 1

3 2

3 3

No this is not a function x values can only have 1 y associated with them.

User Colm Doyle
by
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