Question

How do you find the domain of `f(x)=sqrt(5x-10)`?

Answer 1

`[2,+oo)`

Explanation:

`"we require"`

`5x-10>=0`

`rArr5x>=10rArrx>=2`

`"the domain is "[2,+oo)`
graph{sqrt(5x-10) [-10, 10, -5, 5]}