What is the domain and range of #f(x) =sqrt(28.5 − 3 x)#?
1 Answer
Jan 5, 2018
Domain:
Range:
Explanation:
The condition of existence of a square root is satisfied for the radicand
So let's solve:
Domain:
While the range is positive for every
Range:
graph{sqrt(28.5-3x) [-2.606, 11.44, -0.987, 6.04]}