Question
Find the domain of the function.
Write your answer as an interval or union of intervals.
Domain:
Domain:
Ask by Weber Bryant. in the United States
Mar 31,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The domain of
is
.
Solution
We need the expression inside the logarithm to be positive because the logarithm is only defined for positive arguments.
-
The argument of the logarithm is
. We set up the inequality: -
Since
is positive, the entire fraction is positive when the denominator is also positive. So we require: -
Solve for
:
Thus, the domain of
is:
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Mind Expander
To find the domain of the function
, we need to ensure that the argument of the logarithm is positive. Thus, we set up the inequality:
This inequality is satisfied when
(since 3 is always positive) which simplifies to:
However,
cannot be zero because that would make the logarithm undefined. Therefore, we have to exclude
as well. Thus, the domain of the function is
.
In interval notation, this is represented as:
Domain: