Find the formula for a linear function f that models the data in the table exactly -2 4 f(x) 13 6 -1 -8 f(x) =D (Simplify your answer. Do not factor. Use integers or fractions for any numbers

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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**Find the Formula for a Linear Function**

Objective: Determine the formula for a linear function \( f \) that exactly models the data provided in the table.

**Data Table:**

\[
\begin{array}{|c|c|c|c|c|}
\hline
x & -2 & 0 & 2 & 4 \\
\hline
f(x) & 13 & 6 & -1 & -8 \\
\hline
\end{array}
\]

### Steps to Follow:
1. **Identify the Slope (\(m\)):**
   - Use the formula for slope between two points:   
     \[
     m = \frac{f(x_2) - f(x_1)}{x_2 - x_1}
     \]

2. **Use Point-Slope Form to Derive the Equation:**
   - Once the slope is identified, use the point-slope form:
     \[
     y - f(x_1) = m(x - x_1)
     \]
   - Simplify to get the linear equation in slope-intercept form (\(y = mx + b\)).

3. **Verify with Other Points:**
   - Check that the derived equation fits all data points from the table.

### Additional Instructions:
- Simplify your answer. Do not factor. Use integers or fractions for any numbers in the expressions.

**Input:**
- Enter the derived formula in the answer box and click "Check Answer" to validate.

This exercise reinforces understanding of linear functions and slope-intercept form application in model fitting.
Transcribed Image Text:**Find the Formula for a Linear Function** Objective: Determine the formula for a linear function \( f \) that exactly models the data provided in the table. **Data Table:** \[ \begin{array}{|c|c|c|c|c|} \hline x & -2 & 0 & 2 & 4 \\ \hline f(x) & 13 & 6 & -1 & -8 \\ \hline \end{array} \] ### Steps to Follow: 1. **Identify the Slope (\(m\)):** - Use the formula for slope between two points: \[ m = \frac{f(x_2) - f(x_1)}{x_2 - x_1} \] 2. **Use Point-Slope Form to Derive the Equation:** - Once the slope is identified, use the point-slope form: \[ y - f(x_1) = m(x - x_1) \] - Simplify to get the linear equation in slope-intercept form (\(y = mx + b\)). 3. **Verify with Other Points:** - Check that the derived equation fits all data points from the table. ### Additional Instructions: - Simplify your answer. Do not factor. Use integers or fractions for any numbers in the expressions. **Input:** - Enter the derived formula in the answer box and click "Check Answer" to validate. This exercise reinforces understanding of linear functions and slope-intercept form application in model fitting.
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