Question

What is the domain and range of the function: f(x)= the square root of x

Answer 1

Answer:

Domain: x=(0,∞)

Range: f(x)=(-∞,∞)

Step-by-step explanation:

For the domain:

The square root of a number is defined in real numbers only for positive numbers.

For the range:

The square root of a number could be positive or negative with any restriction. For example, $\sqrt{25}$ could be 5 or -5.