Question

How do you find the domain of `y=-4/sqrt(x+1)`?

Answer 1

`(-1,oo)`

Explanation:

`"the denominator of "y" cannot be zero as this would "`
`"make "y" undefined"`

`"we require "x+1>0rArrx> -1`

`"domain "x in(-1,oo)`
graph{-4/(sqrt(x+1)) [-10, 10, -5, 5]}