7. Use the following functions to determine the requested compositions g(x) 5 X 1 1 y= m(x) 3 2 4 21 4. 3 7 -4 -3 -2-1,0 1 5. 6 7 -2 k(x) = 2x + 4 w(x) = x2 – 2x w(m(g(k(-1))) = w(k(x)) do not simplify

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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# Educational Content: Composition of Functions

### Problem Statement

**Task:** Use the following functions to determine the requested compositions.

1. Find \( w(m(g(k(-1)))) \)
2. Find \( w(k(x)) \)

(Note: Do not simplify your answers.)

### Given Functions

- **\( k(x) = 2x + 4 \)**

- **\( w(x) = x^2 - 2x \)**

### Function \( m(x) \)

The graph of \( m(x) \) is depicted on a Cartesian plane:

- Horizontal (x-axis) values range from -2 to 7.
- Vertical (y-axis) values range from -4 to 7.

**Key Points:**
- The graph starts at (-2, 4) and proceeds linearly to (1, 0).
- It then sharply increases and passes through the point (2, 3).
- From there, it moves linearly to (7, 7).

### Data Table for \( g(x) \)

| \( x \) | \( g(x) \) |
|---------|------------|
| 1       | 4          |
| 2       | 1          |
| 3       | 0          |

### Steps for Solving

**1. \( w(m(g(k(-1)))) \)**
   - First, determine \( k(-1) \) using the function \( k(x) = 2x + 4 \).
   - Then find the corresponding \( g(k(-1)) \).
   - Use the graph to determine \( m(g(k(-1))) \).
   - Finally, calculate \( w(m(g(k(-1)))) \) using the function \( w(x) = x^2 - 2x \).

**2. \( w(k(x)) \)** 
   - Substitute \( k(x) \) into \( w(x) \) without simplifying.

Use this guide to carefully analyze and compute the expressions based on the provided data and functions.
Transcribed Image Text:# Educational Content: Composition of Functions ### Problem Statement **Task:** Use the following functions to determine the requested compositions. 1. Find \( w(m(g(k(-1)))) \) 2. Find \( w(k(x)) \) (Note: Do not simplify your answers.) ### Given Functions - **\( k(x) = 2x + 4 \)** - **\( w(x) = x^2 - 2x \)** ### Function \( m(x) \) The graph of \( m(x) \) is depicted on a Cartesian plane: - Horizontal (x-axis) values range from -2 to 7. - Vertical (y-axis) values range from -4 to 7. **Key Points:** - The graph starts at (-2, 4) and proceeds linearly to (1, 0). - It then sharply increases and passes through the point (2, 3). - From there, it moves linearly to (7, 7). ### Data Table for \( g(x) \) | \( x \) | \( g(x) \) | |---------|------------| | 1 | 4 | | 2 | 1 | | 3 | 0 | ### Steps for Solving **1. \( w(m(g(k(-1)))) \)** - First, determine \( k(-1) \) using the function \( k(x) = 2x + 4 \). - Then find the corresponding \( g(k(-1)) \). - Use the graph to determine \( m(g(k(-1))) \). - Finally, calculate \( w(m(g(k(-1)))) \) using the function \( w(x) = x^2 - 2x \). **2. \( w(k(x)) \)** - Substitute \( k(x) \) into \( w(x) \) without simplifying. Use this guide to carefully analyze and compute the expressions based on the provided data and functions.
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