**What Are The Domain And Range Of The Step Function Below**. F x -3x A The domain is all real numbers and the range is all real numbers. When functions are first introduced you will probably have some simplistic functions and relations to deal with usually being just sets of points.

Square root of cosx. We suggest you read this article 9 Ways to Find the Domain of a Function Algebraically first. F x - 3x f x - 3x0 slope a-3 and y-intercept is 0.

### When functions are first introduced you will probably have some simplistic functions and relations to deal with usually being just sets of points.

Domain and Range of a Function. This explains the domain and range relations of a step function. To find inverse of y follow the steps given below. These wont be terribly useful or interesting functions and relations but your text wants you to get the idea of what the domain and range of a function are.