The functions are and .

Find the sum of two functions.

.

Domain of .

Domain of is and is .

Therefore, the domain of is .

Find the difference of two functions.

.

Domain of .

Domain of is and is .

Therefore, the domain of is .

Find the product of two functions.

.

Domain of .

Domain of is and is .

Therefore, the domain of is .

Find the quotient of two functions.

.

Domain of is and is .

Domain of .

The function is not defined at .

The domain of is .

; domain is .

; domain is .

; domain is .

; domain is .

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