PAGE: 264 SET: Exercises PROBLEM: 1

The function is .

Make a table in above function .

Observe the table,

The and value are represents the domain and range of the function.

The domain of the function is

The range of the function is .

Therefore, domain is all real numbers and range is all integers multiples of .

Graph:

Graph the function .

Observe the graph,

The solid circle is represents the values that are included in the range of the function.

The hallow circle is represents the values that are not included in the range of the function.

Graph of the function is

Domain is all real numbers.

Range is all integers multiples of .

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