What is the domain of the function

Step-by-step explanation:

The domain of a function is all of the values that can be under that specific function. In this case, we're asking what values of allow to exist.

In order for square roots to exist, the quantity under the square root must be greater than or equal to , because you can't take the square root of a negative number. Therefore, we can write the following inequality to solve for :

Solving this inequality, we get:

(Subtract from both sides of the inequality to isolate )

(Multiply both sides of the inequality by to get rid of 's coefficient)

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