Question

Medal for help with domain, please :)

Answer 1

What part are you having trouble with?

Answer 2

We have \[\frac{ 4 }{ \sqrt{x+1} }\] so the function will be undefined when \[\sqrt{x+1}\] = 0 and since we have a square root, x+1 has to be > 0 so the domain is x>-1

Answer 3

Thank you!