Il. ILMOUTS 12. Two functions, f (x) and g(x), are given below. Determine which of these functions has the rate of change over the interval 2 < x <6. Support your final answer. f (x)= x² + 3x

Algebra and Trigonometry (6th Edition)
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Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
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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# Educational Content: Average Rate of Change

## Problem Statement

In this exercise, you are tasked with analyzing two functions, \( f(x) \) and \( g(x) \), to determine which function has the greater average rate of change over a specified interval. Below is the detailed explanation and description of the functions involved.

### Functions

1. **Function \( f(x) \):**
   \[
   f(x) = x^2 + 3x
   \]

2. **Function \( g(x) \):** values are given in a table:

| \( x \) | \( g(x) \) |
|---------|----------|
| 0       | -3       |
| 2       | 4        |
| 3       | 11       |
| 5       | 24       |
| 6       | 36       |
| 8       | 43       |
| 10      | 46       |

### Task

You are asked to calculate the average rate of change for both functions over the interval \([2, 6]\) and determine which has the greater rate of change. Be sure to show your reasoning and calculations, as answers without supporting work will receive partial credit only.

### How to Calculate Average Rate of Change

The average rate of change of a function over an interval \([a, b]\) is given by the formula:

\[
\text{Average Rate of Change} = \frac{f(b) - f(a)}{b - a}
\]

Apply this formula to both functions over the specified interval:

#### For \( f(x) \):

- Calculate \( f(6) \) and \( f(2) \)
- Substitute into the formula

#### For \( g(x) \):

- Use the table values \( g(6) \) and \( g(2) \)
- Substitute into the same formula

### Conclusion

Determine which function, \( f(x) \) or \( g(x) \), has the larger average rate of change based on your calculations. Provide a clear and concise explanation to support your findings.
Transcribed Image Text:# Educational Content: Average Rate of Change ## Problem Statement In this exercise, you are tasked with analyzing two functions, \( f(x) \) and \( g(x) \), to determine which function has the greater average rate of change over a specified interval. Below is the detailed explanation and description of the functions involved. ### Functions 1. **Function \( f(x) \):** \[ f(x) = x^2 + 3x \] 2. **Function \( g(x) \):** values are given in a table: | \( x \) | \( g(x) \) | |---------|----------| | 0 | -3 | | 2 | 4 | | 3 | 11 | | 5 | 24 | | 6 | 36 | | 8 | 43 | | 10 | 46 | ### Task You are asked to calculate the average rate of change for both functions over the interval \([2, 6]\) and determine which has the greater rate of change. Be sure to show your reasoning and calculations, as answers without supporting work will receive partial credit only. ### How to Calculate Average Rate of Change The average rate of change of a function over an interval \([a, b]\) is given by the formula: \[ \text{Average Rate of Change} = \frac{f(b) - f(a)}{b - a} \] Apply this formula to both functions over the specified interval: #### For \( f(x) \): - Calculate \( f(6) \) and \( f(2) \) - Substitute into the formula #### For \( g(x) \): - Use the table values \( g(6) \) and \( g(2) \) - Substitute into the same formula ### Conclusion Determine which function, \( f(x) \) or \( g(x) \), has the larger average rate of change based on your calculations. Provide a clear and concise explanation to support your findings.
**Part III Questions:**

Answer all questions in this part. Each correct answer will receive 4 credits. Clearly indicate the necessary steps and explain your reasoning. For all questions in this part, a correct numerical answer with no work shown will receive only 1 credit.

**12. Two functions, \( f(x) \) and \( g(x) \), are given below. Determine which of these functions has the greater average rate of change over the interval \( 2 \leq x \leq 6 \). Support your final answer.**

- \( f(x) = x^2 + 3x \)

A table for \( g(x) \) is provided as follows:

\[
\begin{array}{|c|c|}
\hline
x & g(x) \\
\hline
-3 & 2 \\
0 & 3 \\
2 & 5 \\
3 & 6 \\
5 & 8 \\
6 & 10 \\
8 & 11 \\
10 & 12 \\
\hline
\end{array}
\]

**Explanation of the Diagram:**

The diagram likely includes two parts: a depiction of a function and a note indicating “function over” with a rough sketch possibly highlighting a parabolic curve with annotations crossing out and correcting a drawn feature.
Transcribed Image Text:**Part III Questions:** Answer all questions in this part. Each correct answer will receive 4 credits. Clearly indicate the necessary steps and explain your reasoning. For all questions in this part, a correct numerical answer with no work shown will receive only 1 credit. **12. Two functions, \( f(x) \) and \( g(x) \), are given below. Determine which of these functions has the greater average rate of change over the interval \( 2 \leq x \leq 6 \). Support your final answer.** - \( f(x) = x^2 + 3x \) A table for \( g(x) \) is provided as follows: \[ \begin{array}{|c|c|} \hline x & g(x) \\ \hline -3 & 2 \\ 0 & 3 \\ 2 & 5 \\ 3 & 6 \\ 5 & 8 \\ 6 & 10 \\ 8 & 11 \\ 10 & 12 \\ \hline \end{array} \] **Explanation of the Diagram:** The diagram likely includes two parts: a depiction of a function and a note indicating “function over” with a rough sketch possibly highlighting a parabolic curve with annotations crossing out and correcting a drawn feature.
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