
Mark M. answered 01/11/15
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
The domain of a function is all of the "x" values that can produce values for f(x). Here D = ℜ (all Real numbers).
The range of a function is all of the f(x) values produced by the "x" values, Here R = ℜ (all Real numbers).