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Example Question #31 : Algebraic Functions
Define a real-valued function .
Give the domain of the function.
Possible Answers:
None of these
Correct answer:
Explanation:
The domain of a square root function is exactly the set of values of for which the radicand takes on a nonnegative value. Therefore, it holds that to find the domain of , we can set up the inequality
and solve for using the properties of inequality:
In interval notation, this is the set .
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