How do you find domain and range for #f(x) = abs(x2)#?
2 Answers
Oct 2, 2015
The domain is the set of real numbers
Oct 2, 2015
What is the graph look like?graph{x2 [3, 7, 5, 5]}
Explanation:

Domain
Look at the xaxis, where can't x be. In this case x can be every real number,#(oo,oo)# . 
Range
Now, look at the yaxis, where can't y be. In this class, y can't be negative,#(0,oo)# .