Questions: Determine if the relation is a function. [ (11,17),(5,-8),(16,1),(5,-19),(-9,8) ]

Determine if the relation is a function.
[
(11,17),(5,-8),(16,1),(5,-19),(-9,8)
]
Transcript text: Determine if the relation is a function. \[ \{(11,17),(5,-8),(16,1),(5,-19),(-9,8)\} \] Yes No
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Solution

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Solution Steps

Step 1: Understand the Definition of a Function

A relation is a function if each input (x-value) corresponds to exactly one output (y-value). In other words, no two ordered pairs in the relation can have the same x-value with different y-values.

Step 2: Analyze the Given Relation

The given relation is: \[ \{(11,17),(5,-8),(16,1),(5,-19),(-9,8)\} \] We need to check if any x-value is repeated with different y-values.

Step 3: Identify Repeated x-Values
  • The x-value 5 appears twice: once with y = -8 and once with y = -19.
  • All other x-values (11, 16, -9) are unique.
Step 4: Determine if the Relation is a Function

Since the x-value 5 corresponds to two different y-values (-8 and -19), the relation is not a function.

Final Answer

\[ \boxed{\text{No}} \]

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