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Math help?

Which of the following represents a relation that is not a function?

A.

x -10 -6 -10 1

y 32 30 38 32

B.

x -10 -6 0 1

y 32 30 38 32

C.

x -10 -6 8 12

y 32 30 38 32

D.

x 8 -6 12 -10

y 32 30 38 32

2 Answers

Relevance
  • 5 years ago
    Favorite Answer

    It's not a function if there is an x value that corresponds to two different y values.

    Look at the list of x values.

    Any duplicates?

    If there are duplicates, are there different values of y for them?

    If the answer is "yes", it's not a function. Otherwise, it is a function.

  • 5 years ago

    download the app GotIt! It's professors giving math help.

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