$\"\"$

The function is $\"\"$ .

Construct a table of values for different values of $\"\"$ .

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Graph:

Graph the function $\"\"$ :

$\"\"$

Observe the graph :

Domain is all real numbers.

Range is all real real numbers greater than $\"\"$ .

$\"\"$

Graph of the function $\"\"$ is

$\"\"$

Domain is all real numbers.

Range is all real integers greater than $\"\"$ .