Would the domain just be x then? I'm not understanding what the domain would be when it is just listing a variable - though does the bars mean "absolute"?
Would the domain just be x then? I'm not understanding what the domain would be when it is just listing a variable - though does the bars mean "absolute"?
1. As Plato pointed out the domain is a set. Since there aren't any restrictions we can assume that x has real values. Therefore the domain is the set of all real numbers: $\displaystyle \mathbb{R}$