Question
For questions 5 through 10 , consider
.
5. Determine
.
6. Determine
.
7. Determine the domain of
.
Determine
.
Determine the domain of
.
5. Determine
6. Determine
7. Determine the domain of
Ask by Barker Mcfarlane. in the United States
Jan 21,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
Solution
Let’s address each of the questions step by step using the given functions:
5. Determine
Definition:
Calculation:
- Find
: - Find
:
Answer:
6. Determine
Definition:
Calculation:
- Express
: - Expand and simplify:
Answer:
7. Determine the Domain of
Analysis:
- Function
: Defined for all real numbers. - Function
: Also defined for all real numbers since it’s a polynomial.
Conclusion:
Since both and
are defined for all real numbers, their composition
is also defined for all real numbers.
Since both
Answer:
8. Determine
Definition:
Calculation:
- Express
: - Substitute into
:
Simplified Form:
Answer:
9. Determine the Domain of
Analysis:
- Function
: Defined for all except . - Function
: Defined for all real numbers.
Composition
:
- The inner function
must be defined, which requires . - Since
is defined for all real numbers, no additional restrictions are imposed.
Conclusion:
The domain of consists of all real numbers except
.
The domain of
Answer:
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Bonus Knowledge
Let’s tackle each of the questions step by step.
5. Determine
.
To find
, we first need to evaluate
:
Now we apply
to this result:
Thus,
.
6. Determine
.
To find
, we substitute
into
:
Now substitute
into
:
Expanding
:
So:
Thus,
.
7. Determine the domain of
.
The function
is defined for all real numbers. Since
is also a polynomial, it is defined for all real numbers as well. Therefore, the domain of
is all real numbers:
8. Determine
.
To find
, we substitute
into
:
Now, substitute
into
:
This expands to:
Thus,
.
9. Determine the domain of
.
The function
is defined for all real numbers except
. Hence, the output of
will also exclude 0. Therefore, since
takes all values except for 0 should be considered: