Unit Review

In which table is y a function of x?

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Which ordered pair (x, y) would make this relation a function?

{ (-8 , 9) , (0 , 9) , (5, 5) , (-6 , 3) , (x, y)}

• ( 9 , 2)

• (5 , 7)

• (-6 , -8)

• (0 , 10)

In which table is y a linear function of x?

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The x-values of an ordered pair are known as the range.

• True

• False

A function is always a relation.

• True

• False

All horizontal lines are functions.

• True

• False

All relations are functions.

• True

• False

A relation is a set of all x-values of an ordered pair.

• True

• False

Is the graph of the data in the table a linear function or nonlinear function?

• Linear

• Nonlinear

Is the graph of the data in the table a linear function or nonlinear function?

• Linear

• Nonlinear