Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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### Piecewise Function Evaluation

Given the function \( f(x) \):
\[ f(x) = \begin{cases} 
3x + 8 & \text{if } x < 0 \\
3x + 16 & \text{if } x \ge 0 
\end{cases} \]

Calculate the following values:

\( f(-1) = \_\_\_\_\_ \)

\( f(0) = \_\_\_\_\_ \)

\( f(2) = \_\_\_\_\_ \)

### Explanation:
This piecewise function is defined differently based on the input value \( x \). For values of \( x \) less than 0 (i.e., \( x < 0 \)), the function is \( f(x) = 3x + 8 \). For values of \( x \) that are 0 or greater (i.e., \( x \ge 0 \)), the function is \( f(x) = 3x + 16 \).

#### Steps to Calculate each value:

1. **\( f(-1) \)**:
   Since \(-1 < 0\), use the first part of the function:
   \[ f(-1) = 3(-1) + 8 \]

2. **\( f(0) \)**:
   Since \(0 \ge 0\), use the second part of the function:
   \[ f(0) = 3(0) + 16 \]

3. **\( f(2) \)**:
   Since \(2 \ge 0\), use the second part of the function:
   \[ f(2) = 3(2) + 16 \]

--> Fill in the computed values in the respective blanks provided. 


**Note:** This type of function is particularly useful in representing real-world situations where a rule or relationship changes at a certain point.
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Transcribed Image Text:### Piecewise Function Evaluation Given the function \( f(x) \): \[ f(x) = \begin{cases} 3x + 8 & \text{if } x < 0 \\ 3x + 16 & \text{if } x \ge 0 \end{cases} \] Calculate the following values: \( f(-1) = \_\_\_\_\_ \) \( f(0) = \_\_\_\_\_ \) \( f(2) = \_\_\_\_\_ \) ### Explanation: This piecewise function is defined differently based on the input value \( x \). For values of \( x \) less than 0 (i.e., \( x < 0 \)), the function is \( f(x) = 3x + 8 \). For values of \( x \) that are 0 or greater (i.e., \( x \ge 0 \)), the function is \( f(x) = 3x + 16 \). #### Steps to Calculate each value: 1. **\( f(-1) \)**: Since \(-1 < 0\), use the first part of the function: \[ f(-1) = 3(-1) + 8 \] 2. **\( f(0) \)**: Since \(0 \ge 0\), use the second part of the function: \[ f(0) = 3(0) + 16 \] 3. **\( f(2) \)**: Since \(2 \ge 0\), use the second part of the function: \[ f(2) = 3(2) + 16 \] --> Fill in the computed values in the respective blanks provided. **Note:** This type of function is particularly useful in representing real-world situations where a rule or relationship changes at a certain point.
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