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Chapter 1: Q1. (page 49)

Examples 1 and 3 Determine whether each relation is a function. Explain.

Short Answer

Expert verified

The given relation is a function.

Step by step solution

01

Step 1. Interpret the relation.

In the given relation domain is nothing but the input (x) of the function and range is output (y).

02

Step 2. Concept of function in terms of domain and range.

A function is defined as every domain or input having one specific range of output.

03

Step 3. Relation between input and output.

In the given relation every domain has one range or every input has one output. Input and output relation is given below:

f−4=−1f−2=4f0=−1f2=1f4=4

Thus, the given relation is a function.

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