Characteristics and domain and range of square root functions

11U.A.1.3

Explain the meanings of the terms domain and range, through investigation using numeric, graphical, and algebraic representations of the functions f(x) = x, f(x) = x , f(x) = sqrt(x), and f(x) =1/x; describe the domain and range of a function appropriately and explain any restrictions on the domain and range in contexts arising from real-world applications