$\"\"$

The function is $\"\"$ .

Domain:

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

The domain of the logarithm function is always greater than zero.

Hence, $\"\"$ .

$\"\"$

$\"\"$ and $\"\"$ .

Therefore,the domain of the function is $\"\"$ .

$\"\"$

The domain of the function is $\"\"$ .