The domain of a function is all the values of x for which f(x) yields real values.

The values of f(x) when x lies in the domain is the range.

Here x > 0 and f(x) = 1 - 3x

**The range is all numbers less than 1.**

The domain of a function is all the values of x for which f(x) yields real values.

The values of f(x) when x lies in the domain is the range.

Here x > 0 and f(x) = 1 - 3x

**The range is all numbers less than 1.**