Look at this set of ordered pairs: (5, 13) (5, –17) (12, 13) Is this relation a function? Choices: (A)yes (B)no

Identify x-values: Look at the x-values in the ordered pairs. Ordered pairs: (5, 13), (5, –17), (12, 13) x-values: 5, 5, 12Check for repetition: Check if any x-value is repeated. x-values: 5, 5, 12 The x-value 5 is repeated.Determine if function: Determine if the relation is a function. A relation is a function if each x-value is paired with exactly one y-value. Since the x-value 5 is paired with two different y-values (13 and –17), the relation is not a function.

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Look at this set of ordered pairs: $\newline$ $(5, 13)$ $\newline$ $(5, -17)$ $\newline$ $(12, 13)$ $\newline$ Is this relation a function? $\newline$ Choices: $\newline$ (A) yes $\newline$ (B) no

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Q. Look at this set of ordered pairs:

\newline

(5, 13)

\newline

(5, -17)

\newline

(12, 13)

\newline

Is this relation a function?

\newline

Choices:

\newline

(A) yes

\newline

(B) no

Identify $x$ -values: Look at the $x$ -values in the ordered pairs. $\newline$ Ordered pairs: $(5, 13)$ , $(5, –17)$ , $(12, 13)$ $\newline$ $x$ -values: $5$ , $5$ , $12$
Check for repetition: Check if any $x$ -value is repeated. $x$ -values: $5$ , $5$ , $12$ The $x$ -value $5$ is repeated.
Determine if function: Determine if the relation is a function. $\newline$ A relation is a function if each $x$ -value is paired with exactly one $y$ -value. $\newline$ Since the $x$ -value $5$ is paired with two different $y$ -values ( $13$ and $–17$ ), the relation is not a function.