What is the domain and range of #3sqrt( x^2 - 9)#?
1 Answer
Feb 9, 2016
Domain:
Range:
Explanation:
x can take on values -3 or less up to
also x can take on values 3 or higher up to
that is why Domain :
The lowest possible value is 0 up to
That is if we let
when
So the Range: