Question

Vocabulary Is every relation also a function? Use the drop-down menus to show and explain your answer.

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; A
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is a special type of
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where each input maps to exactly one output. In a
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, an input can have one or more outputs.

Answer 1

19

Explanation:

9+10 is not 21 it is 19.

If 2 tens make a 20 and 1 number is gone, 20-1=19

Answer 2

A function is a special type of relation where each input maps to exactly one output. In a relation, an input can have one or more outputs.

In Mathematics and Geometry, a function defines and represents the relationship that exists between two or more variables in a relation, table, ordered pair, or graph.

Generally speaking, a function uniquely maps all of the input values (domain) to the output values (range).

In this context, we can reasonably infer amd logically deduce that a function refers to a special type of relation in which each input uniquely maps to exactly one output. In a relation, an input can have one or more outputs.