$\"\"$

(a)

The function $\"\"$ .

The graph of $\"\"$ is a vertical shift of one unit to the up of the graph of $\"\"$ .

The graph of the functions $\"\"$ and $\"\"$ is :

$\"graph$

$\"\"$

(b)

The function $\"\"$ .

The graph of $\"\"$ is a vertical shift of one unit to the down of the graph of $\"\"$ .

The graph of the functions $\"\"$ and $\"\"$ is :

$\"graph$

$\"\"$

(c)

The function $\"\"$ .

The graph of $\"\"$ is a vertical shift of three units to the up of the graph of $\"\"$ .

The graph of the functions $\"\"$ and $\"\"$ is :

$\"graph$

$\"\"$

(d)

The function $\"\"$ .

The graph of $\"\"$ is a vertical shift of three units to the down of the graph of $\"\"$ .

The graph of the functions $\"\"$ and $\"\"$ is :

$\"graph$

$\"\"$

(a)

Graph : \ \

$\"graph$

(b)

Graph : \ \

$\"graph$

(c)

Graph : \ \

$\"graph$

(d)

Graph : \ \

$\"graph$