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| PAGE: 61 | SET: Exercises | PROBLEM: 1 |
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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