Questions: Is the following correspondence a function?

Is the following correspondence a function?
Transcript text: Is the following correspondence a function?
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Solution

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Solution Steps

Step 1: Understand the Definition of a Function

A function is a relation where each input (or domain element) is associated with exactly one output (or range element).

Step 2: Analyze the Given Correspondence

Examine the pairs provided:

  • (-9) maps to (-18)
  • (2) maps to (13)
  • (-15) maps to (-7)
Step 3: Verify the Function Criteria

Check if each input has a unique output:

  • Each input (-9, 2, -15) maps to a single unique output (-18, 13, -7) respectively.

Final Answer

Since each input is associated with exactly one output, the given correspondence is a function.

Answer: A) Yes

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