Join IDNLearn.com and start getting the answers you've been searching for. Join our community to receive prompt and reliable responses to your questions from knowledgeable professionals.
Answer:
x = -2
Step-by-step explanation:
Domain of definition
[tex]\sqrt{-x-2}[/tex]
=> -x - 2 >= 0
=> x <= -2
When x = -2 f(x) gets real outputs