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19 June, 09:50

Which relation describes a function? What makes it a function?

A) { (-2,3), (-2,5), (-6,7) } Each member of the range is unique.

B) { (2,3), (3,3), (3,4) } Each member of the domain and range is positive.

C) { (2,3), (3,3), (3,4) } Each member of the domain and range is a real number.

D) { (-2,3), (-3,3), (-4,3) } Each member of the domain is assigned exactly one member of the range.

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  1. 19 June, 10:15
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    The answer would be D

    because a function can have two domains having the same range but one domain can not have two ranges
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