Which of the following best explains why this relation is not a function? A The input includes 0.

B The input is mapped to the same value as the output.

C One input value is mapped to two different output values.

D Two different input values are mapped to the same output value.

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C One input value is mapped to two different output values.

Step-by-step explanation:

Relations and Functions

A relation is a function if each input value maps to only one output value.

The relation shown in the figure is not a function because element 1 in the input set maps to two values in the output set (1 and 2).

From the following, the option that best explains why the relation is not a function is:

C One input value is mapped to two different output values.

step-by-step explanation: