8.5g STAAR Fall Jam

Which ordered pairs can also belong to the function?

Pick two pair

• (-2, 3)

• (4, 3)

• (-4, 3)

• (9, 8)

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Which mapping represents y as a function of x?

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Which graph does NOT represent y as a function of x?

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Which set of ordered pairs represents y as a function of x?

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Which representation shows y as a function of x?

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Which set of ordered pairs represents y as a function of x?

• {(8.1,9), (9.1, 10), (10.1, 9), (9.1,8)}

• {(0, 0.5), (2, 1.5), (-5.5, 5), (-5.5,-6)}

• {(5,-7), (3,-7), (-9.2,-7), (9.2,-7)}

• {(9.3,-1), (7.3,-2), (7.3, 2), (9.3, 1)}

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Which graph represents y as a function of x?

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Which set of ordered pairs represents y as a function of x?

• {(0, 0), (1, 2), (−1, −2), (-2, 4), (-2,-4)}

• {(0, 0), (1, 1), (2, 4), (3,9), (3, 16)}

• {(0, 0), (-1,-0.5), (-2,-1), (-3,-1.5), (-4,-2)}

• {(0, 0), (0, 1), (0, 2), (0, -1), (0, -2)}

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