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:**Question 5:** Circle all of the following that represent functions.
**Tables:**
1. Table 1:
- In: 1, 4, 6, 4
- Out: 2, 5, 6, 1
2. Table 2:
- In: 2, 3, 5, 4
- Out: 3, 5, 6, 5
3. Table 3:
- In: 2, 4, 6, 7
- Out: 5, 7, 6, 4
**Graphs/Diagrams:**
1. Diagram 1:
- A curved line crosses the vertical axis twice.
2. Diagram 2:
- A line with a loop that crosses itself.
3. Diagram 3:
- Discrete points with two points vertically aligned, indicating a vertical line through them.
**Explanation:**
A function is a relation where each input has exactly one output. In graphical terms, a function passes the vertical line test if no vertical line intersects the graph at more than one point.
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