Select all of the following tables which represent y as a function of and are one-to-one. C y X Y 23 y 23 6 6 CO 8 10 13 8 11 2 6 13 3880

Algebra and Trigonometry (6th Edition)
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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**Topic: Understanding One-to-One Functions**

**Objective:** Identify tables that represent \( y \) as a function of \( x \) and ensure that they are one-to-one functions.

**Instructions:** Select all of the following tables which represent \( y \) as a function of \( x \) and are one-to-one.

The following are tables provided for evaluation:

1. **Table 1:**
   \[
   \begin{array}{c|c|c|c}
   x & 2 & 6 & 6 \\
   \hline
   y & 3 & 8 & 11 \\
   \end{array}
   \]

2. **Table 2:**
   \[
   \begin{array}{c|c|c|c}
   x & 2 & 6 & 13 \\
   \hline
   y & 3 & 8 & 11 \\
   \end{array}
   \]

3. **Table 3:**
   \[
   \begin{array}{c|c|c|c}
   x & 2 & 6 & 13 \\
   \hline
   y & 3 & 8 & 8 \\
   \end{array}
   \]

### Analysis:

1. **Table 1:** 
   - In the \( x \)-row, the value 6 appears twice.
   - Each input \( x \) must map to only one unique \( y \), hence 6 mapping to both 8 and 11 violates this rule.
   - Therefore, Table 1 does not represent a one-to-one function.

2. **Table 2:** 
   - Each \( x \) value (2, 6, and 13) maps to a unique \( y \) value (3, 8, and 11 respectively).
   - Therefore, Table 2 represents a one-to-one function.

3. **Table 3:** 
   - The \( y \)-row contains a duplicate value (8 appears twice).
   - However, duplicates in \( y \) do not affect \( y \) being a function of \( x \), as long as each \( x \) maps uniquely.
   - Here, each \( x \) (2, 6, 13) uniquely maps to one \( y \) (3, 8,
Transcribed Image Text:**Topic: Understanding One-to-One Functions** **Objective:** Identify tables that represent \( y \) as a function of \( x \) and ensure that they are one-to-one functions. **Instructions:** Select all of the following tables which represent \( y \) as a function of \( x \) and are one-to-one. The following are tables provided for evaluation: 1. **Table 1:** \[ \begin{array}{c|c|c|c} x & 2 & 6 & 6 \\ \hline y & 3 & 8 & 11 \\ \end{array} \] 2. **Table 2:** \[ \begin{array}{c|c|c|c} x & 2 & 6 & 13 \\ \hline y & 3 & 8 & 11 \\ \end{array} \] 3. **Table 3:** \[ \begin{array}{c|c|c|c} x & 2 & 6 & 13 \\ \hline y & 3 & 8 & 8 \\ \end{array} \] ### Analysis: 1. **Table 1:** - In the \( x \)-row, the value 6 appears twice. - Each input \( x \) must map to only one unique \( y \), hence 6 mapping to both 8 and 11 violates this rule. - Therefore, Table 1 does not represent a one-to-one function. 2. **Table 2:** - Each \( x \) value (2, 6, and 13) maps to a unique \( y \) value (3, 8, and 11 respectively). - Therefore, Table 2 represents a one-to-one function. 3. **Table 3:** - The \( y \)-row contains a duplicate value (8 appears twice). - However, duplicates in \( y \) do not affect \( y \) being a function of \( x \), as long as each \( x \) maps uniquely. - Here, each \( x \) (2, 6, 13) uniquely maps to one \( y \) (3, 8,
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