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PLEASE HELP, algebra 1
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1 vote
PLEASE HELP, algebra 1

PLEASE HELP, algebra 1-example-1
User Roelofs
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2 Answers

4 votes
The last option is a function. x values can not be repeated, but y values can. For example, (1,2),(2,2) is fine.........(1,2),(1,3) is not, it produces a vertical line, therefore, would be undefined and not a function.
User Swatsonpicken
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3 votes
Option d because for it to be a function the value of x can not be repeated
User Rick Regan
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