f(x) = 1 / (- sqrt(x-4) )
find it's domain and image
I'm sorry. I have not seen the minus.
Here's the graph : https://www.desmos.com/calculator/w0nqx2xrmy
domain = (4, inf)
I don't know about the image......
Just to be clear:
Image = Codomain
It's just the way we call it in french...
+129849 
+386 
