Question

What is the domain and range of `f(x)=sqrt(x-4)`?

Answer 1

Below

Explanation:

Graph the equation. If you don't know how to graph it, just sub in points ie when `x=0, x=1, x=2,...`

Domain: `x >= 4`
Range: `y>=0`

graph{sqrt(x-4) [-10, 10, -5, 5]}