SOLUTION: what is the domain and range in interval notation of 9-x^2

Algebra ->  Real-numbers -> SOLUTION: what is the domain and range in interval notation of 9-x^2      Log On


   

Question 1025590: what is the domain and range in interval notation of
9-x^2
Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.
The domain is the set of all real numbers, (-infinity, infinity).

The range is (-infinity, 9].