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.

Question

Wu

19 June, 09:50

+5

Answers (1)

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Luciano Salinas · Answer 1

The answer would be D

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