Look at this set of ordered pairs: (10, 6) (15, 19) (19, 15) (17, 20) Is this relation a function? Choices: (A)yes (B)no

Understand Function Definition: Step 1: Understand what a function is in terms of ordered pairs. A relation is a function if each input (first number in each pair) has exactly one output (second number in each pair). Check for Repeated Elements: Step 2: Check the ordered pairs for any repeated first elements. The pairs are: (10, 6) (15, 19) (19, 15) (17, 20) None of the first elements (inputs) repeat, so each input has only one output. Confirm Function Relation: Step 3: Since no input is associated with more than one output, the relation given by the ordered pairs is a function.

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Look at this set of ordered pairs: $\newline$ $(10, 6)$ $\newline$ $(15, 19)$ $\newline$ $(19, 15)$ $\newline$ $(17, 20)$ $\newline$ 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

(10, 6)

\newline

(15, 19)

\newline

(19, 15)

\newline

(17, 20)

\newline

Is this relation a function?

\newline

Choices:

\newline

(A) yes

\newline

(B) no

Understand Function Definition: Step $1$ : Understand what a function is in terms of ordered pairs. A relation is a function if each input (first number in each pair) has exactly one output (second number in each pair).
Check for Repeated Elements: Step $2$ : Check the ordered pairs for any repeated first elements. The pairs are: $\newline$ $(10, 6)$ $\newline$ $(15, 19)$ $\newline$ $(19, 15)$ $\newline$ $(17, 20)$ $\newline$ None of the first elements (inputs) repeat, so each input has only one output.
Confirm Function Relation: Step $3$ : Since no input is associated with more than one output, the relation given by the ordered pairs is a function.