Unit 4 Review

Which representation shows y as a function of x?

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Which is NOT a function?

• A

• B

• C

• D

Which of the following graphs represents y as a function of x?

• A

• B

• C

• D

A relation contains the points (3, 2), (2, 3), (-3, 2). Which statement accurately describes this relation?

• The relation does not represent y as a function of x, because each value of x is associated with more than one value of y.

• The relation represents y as a function of x, because one value of y is associated with two values of x.

• The relation does not represent y as a function of x, because each value of y is associated with two values of x.

• The relation represents y as a function of x, because each value of x is associated with a single value of y.

• A

• B

• C

• D

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Which table contains only corresponding x-values and y-values where the value of y is 7 more than the product of x and 5?

• A

• B

• C

• D

Which graph shows a non-proportional relationship between x and y?

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D