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1-47.

Which of the relationships below are functions? If a relationship is not a function, give a reason to support your conclusion. Homework Help ✎

There is more than one output value for some inputs; therefore, the relation is not a function.

  1. input (x)

    output (y)

    –3

    19

    5

    19

    19

    0

    0

    –3

It is a function. Every input had only one output even if it is the same output such as 19.

  1. input (x)

    7

    –2

    0

    7

    4

    output (y)

    10

    0

    10

    3

    0

There is more than one output value for x = 7. Is this relation a function?

It is a function.