Question

What is the domain of the square root function graphed below?

Answer 1

x ≥ 0

General Formulas and Concepts:

Algebra I

• Domain is the set of x-values that can be inputted into function f(x)

Explanation:

According to the graph, the line's x-values span from 0 to infinity. Since 0 is a closed dot, it is inclusive in the domain:

[0, ∞) or x ≥ 0