Solve the given problems related to the indicated examples of this section.

In Example 3, in the first line, change

What other changes must be made in the first paragraph?

Data from Example 3

Find the domain of the function

From the term 16√x, we see that x must be greater than or equal to zero in order to have real values. The term 1/x indicates that x cannot be zero, because of division by zero. Thus, putting these together, the domain is all real numbers x > 0. As for the range, it is all real numbers f (x) ≥ 12. More advanced methods are needed to determine this.

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