Determine whether the mapping represents a function or nonfunction. If a nonfunction, explain how the definition of a function is violated.
A) Function.
B) Not a function. Amy is paired with two parents.
C) Not a function. Two children are paired with Bob.
D) Not a function. Some parents are paired with only one child.

Question

Determine whether the mapping represents a function or nonfunction. If a nonfunction, explain how the definition of a function is violated. 
A) Function. 
B) Not a function. Amy is paired with two parents. 
C) Not a function. Two children are paired with Bob. 
D) Not a function. Some parents are paired with only one child.

Quizplus · Accepted Answer

A function is a mapping that assigns exactly one output to each input. In this case, Amy is paired with two parents, violating the rule of assigning only one output to each input, which makes it a nonfunction.

Determine Whether the Mapping Represents a Function or Nonfunction