Question

What is reasonable domain for f(x) = 20+50x

Answer 1

A reasonable domain for this problem is (-♾,♾)
The range would also be (-♾,♾)

Answer 2

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

Interval Notation:

(−∞,∞)

Set-Builder Notation:

x∈R

Explanation: