Math Problem Statement
The domain of {(9,1), (-6,1), (4,2)} is {1,2}
Solution
The domain of a set of ordered pairs is the set of all the first components (x-coordinates) of the pairs. Based on the given set:
The domain is:
Explanation:
- The first element in each pair is part of the domain.
- The domain is not related to the second elements (the range).
- Therefore, the domain cannot be , as those are values from the range (y-coordinates).
Correct Domain:
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Related Questions:
- What is the range of the set ?
- Can an element in the range correspond to multiple elements in the domain?
- How does the concept of domain relate to functions and their graphs?
- What is the definition of a function in terms of domain and range?
- How do you determine if a relation is a function based on its domain and range?
Tip:
Remember, the domain focuses on the x-coordinates, and the range focuses on the y-coordinates.
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Math Problem Analysis
Mathematical Concepts
Set Theory
Relations
Domain and Range
Formulas
Domain: The set of all first elements (x-coordinates) in a set of ordered pairs
Theorems
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Suitable Grade Level
Grades 6-8