This question has 8 marks, which means it requires some clarified steps in finding the domain of this function, please help me?

Thank you for the opportunity to help you with your question!

There are several methods used in finding the domain of a given function and are as follows:

Therefore, if given to find domain of a function using the third method above which is the square root method, here are the steps to follow:

First step, set the expression inside the square root greater than or equal to zero. In this step you'll get an equation.

Step two, solve the equation you've gotten in step one above,

then finally, write the answer using the interval notation, and there you get the domain of the given function using the square root.

may you please explain this using my question as an example?

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