Algebra and Trigonometry (6th Edition)
6th Edition
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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
Transcribed Image Text:**Educational Website Transcription**
**Section: Mapping Diagrams and Graph Analysis**
**Exercise 13-15: Mapping Diagrams**
- **Exercise 13:**
- A coordinate graph with an x and y-axis ranging from -3 to 3. Various points are plotted on the graph which likely require analysis or interpretation to form a mapping diagram.
- **Exercise 14:**
- A coordinate graph with x-axis ranging from 0 to 12 and y-axis ranging from 0 to 12. The graph contains plotted points indicating a pattern between inputs and outputs.
- **Exercise 15:**
- A coordinate graph with an x-axis ranging from 0 to 9 and y-axis ranging from 0 to 40. Multiple data points illustrate relationships that need exploration through a mapping diagram.
**Task:** Draw a mapping diagram for each graph and describe the pattern of inputs and outputs.
---
**Section: Real-life Application of Mapping - SCUBA DIVING**
**Exercise 16: Understanding Pressure Changes with Depth**
- The normal pressure at sea level is one atmosphere (1 ATM). As you descend below sea level, the pressure increases by 1 ATM for every 10 meters of depth.
**Tasks:**
a. Complete the mapping diagram for depth (input) versus pressure (output).
b. Is the relation a function? Provide an explanation.
c. List the ordered pairs, and then plot these pairs on a coordinate plane for visual understanding.
d. Compare the mapping diagram and the graph. Which representation do you prefer? Why?
**Inputs and Corresponding Outputs:**
- **Depth (Input):** 10 m, 20 m, 30 m, 40 m, 50 m
- **Pressure (Output):** 2 ATM, 3 ATM, 4 ATM, 5 ATM, 6 ATM
**Research Task:** Investigate common depths reached by scuba divers who are beginners.
**Visuals:** Image suggests a diver underwater, aligning with the scuba diving theme, reinforcing the concept of pressure changes with depth.
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