
a.
The value of
a.

Answer to Problem 17RE
The value of
Domain of
Explanation of Solution
Given information:
The functions are
Formula Used:
Let f and g be two functions.
Use the sum formula,
For a composite function
If domain is not specified for a function, one should consider the set of largest real number where the function is defined all over.
Calculation:
The functions are
Use the sum formula,
Substitute
Hence, the value of
As domain of
So, domain of
b.
The value of
b.

Answer to Problem 17RE
The value of
Domain of
Explanation of Solution
Given information:
The functions are
Formula Used:
Let f and g be two functions.
Use the difference formula,
For a composite function
If domain is not specified for a function, one should consider the set of largest real number where the function is defined all over.
Calculation:
The functions are
Use the difference formula,
Substitute
Hence, the value of
As domain of
So, domain of
c.
The value of
c.

Answer to Problem 17RE
The value of
Domain of
Explanation of Solution
Given information:
The functions are
Formula Used:
Let f and g be two functions.
Use the product formula,
For a composite function
If domain is not specified for a function, one should consider the set of largest real number where the function is defined all over.
Calculation:
The functions are
Use the product formula,
Substitute
Hence, the value of
As domain of
So, domain of
d.
The value of
d.

Answer to Problem 17RE
The value of
Explanation of Solution
Given information:
The functions are
Formula Used:
Let f and g be two functions.
Use the division formula,
For a composite function
If domain is not specified for a function, one should consider the set of largest real number where the function is defined all over.
Calculation:
The functions are
Use the division formula,
Substitute
Find the domain of the function.
The domain is all the real numbers
Hence, the value of
Chapter 2 Solutions
Precalculus
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