Question

How do you find the domain of `y = 3 - sqrtx`?

Answer 1

Domain: `x>=0` or `[0,oo)`

Explanation:

`y = 3- sqrtx`
Domain: under root to be `>=0`.

So Domain is `x>=0`. In interval notation: `[0,oo)`
graph{3-sqrt(x) [-20, 20, -10, 10]}