$\"\"$

The function is $\"\"$ .

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

\ \

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

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 real numbers greater than or equal to $\"\"$ .

$\"\"$

Graph:

Graph the function $\"\"$ .

$\"\"$

Observe the graph:

The graph of $\"\"$ is shown.

$\"\"$

Graph of the function $\"\"$ is

$\"\"$

Domain is all real numbers.

Range is $\"\"$ .