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Which relation is a function? O A. {(7, 8)(5,0)(-3, 1)(-5, 0)(-3, 2)} B. {(0, 0)(1, 1)(4, 2)(9, 3)(16,4)} O C. {(-4, 1)(-2, 2.5)(0, 4)(-4, -1)(-2, -2.5)} OD. {(1, 0)(2, 1)(3, 2)(1, 3)(2, 4)}
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Which relation is a function?

O A. {(7, 8)(5,0)(-3, 1)(-5, 0)(-3, 2)}
B. {(0, 0)(1, 1)(4, 2)(9, 3)(16,4)}
O C. {(-4, 1)(-2, 2.5)(0, 4)(-4, -1)(-2, -2.5)}
OD. {(1, 0)(2, 1)(3, 2)(1, 3)(2, 4)}

Which relation is a function? O A. {(7, 8)(5,0)(-3, 1)(-5, 0)(-3, 2)} B. {(0, 0)(1, 1)(4, 2)(9, 3)(16,4)} O-example-1
User Bruno Jouhier
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1 Answer

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B) because the x does not repeat
User Mohamed Chaawa
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