Question

Domain and range of -9/(sqrt z+1)

Answer 1

Is it : \(\cfrac{-9}{\sqrt{z+1}} \) or \(\cfrac{-9}{\sqrt{z} + 1}\) ?

Answer 2

A solution might be slightly easier to visualize if you'd type your expression in this way:\[\frac{ -9 }{ \sqrt{z+1} }\]
What restrictions on z do you see?

Answer 3

mathslover poses a valid question. Which of the two expressions did you mean to type in?

Answer 4

@OscarIng - If you want us to help you appropriately, please let us know what exactly the question is.