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Q18.

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Found in: Page 60

### Algebra 2

Book edition Middle English Edition
Author(s) Carter
Pages 804 pages
ISBN 9780079039903

# Determine whether each relation is a function. Write yes or no.

No, the given relation is not a function.

See the step by step solution

## Step 1 – Definition of function.

A relation is a function if each element of the domain is paired with exactly one element of the range.

A relation is not a function if there exist an element in the domain paired with more than one element of the range.

## Step 2 – Given information.

The given arrow diagram of a relation is:

## Step 3 – Check whether the relation is function or not.

The set notation of the given relation is $\left\{\left(3,1\right),\left(2,3\right),\left(2,5\right),\left(-1,7\right)\right\}$.

This relation is not a function because 2 in the domain is paired with both 3 and 5 in the range.

Thus, the required answer is no because the given relation is not a function.