The function $\"\"$ .

Derivative of a function $\"\"$ is defined as $\"\"$

$\"\"$

The derivative of the given function.

$\"\"$

Domain of the function $\"\"$ is $\"\"$ because it is a polynomial function

Domain of the function $\"\"$ is also $\"\"$ because it is also a polynomial.

$\"\"$ .

Domain of the function $\"\"$ is all real numbers.

Domain of the function $\"\"$ is also all real numbers.