Question

find the domain and range of this function

f(x)=-sqrt(x+1)

Answer 1

\(x+1 \ge 0\) - You shoudl pick this one out immediately. Why?

Answer 2

would the range be greater than or equal to 0?

Answer 3

That was the Domain. The Range is \(y \le 0\).

Answer 4

thank you!

Answer 5

It is a common misconception that there is some easy way to CALCULATE these things. Not so. You just have to give it a little thought.