Determine if the function f defined by the set of ordered pairs has an inverse. If so, find the inverse.
-$$\{ ( - 8,2 ) , ( 18,2 ) , ( - 10,13 ) \}$$
A) $\{ ( - 8,2 ) , ( 2,18 ) , ( 13 , - 10 ) \}$
B) $\{ ( 2 , - 8 ) , ( - 10,18 ) , ( 13,2 ) \}$
C) No inverse
D) $\{ ( 2 , - 8 ) , ( 2,18 ) , ( 13 , - 10 ) \}$

Question

Quizplus · Accepted Answer

A function must have exactly one output for each input to have an inverse. In this set, two different inputs (-8 and 18) map to the same output (2), so the function does not have an inverse.

Determine If the Function F Defined by the Set of Ordered