$\"\"$

The functions are $\"\"$

The domain of logarithm: $\"\"$ .

In the above funtion $\"\"$ .

In the function $\"\"$ the value of $\"\"$ is $\"\"$ .

The function $\"\"$ .

In the above funtion $\"\"$ , $\"\"$ and $\"\"$ .

In the function $\"\"$ the value of $\"\"$ is $\"\"$ .

$\"\"$

In the function $\"\"$ the value of $\"\"$ is $\"\"$ .