$\"\"$

The rational function is $\"\"$ .

The domain of a function is all values of $\"\"$ , those makes the function mathematically correct.

Change $\"\"$ .

The function is $\"\"$ .

Parent function is $\"\"$ .

(1).Draw the coordinate plane.

(2).Graph of the parent function $\"\"$ :

Graph:

$\"\"$

The rational function is $\"\"$ .

So, the function is in the form of $\"\"$ .

Vertical shift:

The graph of $\"\"$ shifts the graph of $\"\"$ vertically upwards to a distance of $\"\"$ units.

Graph:

The graph of $\"\"$ :

$\"\"$ .

$\"\"$

The graph of $\"\"$ :

$\"\"$ .