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The functions are and .
Find .
(Addition of functions formula)
(Substitute and )
(Combine like terms)
Find .
(Subtraction of functions formula)
(Substitute and )
(Distributive property: )
(Combine like terms)
Find .
(Multiplication of functions formula)
(Substitute and )
(Distributive property: )
(Multiply)
(Combine like terms)
Find .
(Division of functions formula)
(Substitute and )
Since makes the denominator , is excluded from the domain of .
, , and .
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