In Exercises 1–3, determine whether each relation is a function. Give the domain and range for each relation.
Answer to Problem 1RE
Solution:
The provided relation is a function, whose domain is
Explanation of Solution
Given:
The given relation is:
Explanation
Consider the following relation,
For a relation to bea function, each input must be related to exactly one output.
Therefore, the provided relation represents a function as each input is related to exactly one output.
The domain of a function is a set of x values.
Therefore, the domain of the function is
The range of a function is a set of y values.
Therefore, the range of the function will be
The provided relation is a function. The domain is
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Chapter 2 Solutions
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