CCSS IP Math I 2.8.1 Example 3

If [math]f(x) = 2x - 3[/math] and [math]g(x) = 4x - 11[/math], what is the result of subtracting the two functions? What is [math](f - g)(x)[/math]? How do you represent this algebraically?

[list=1] [*]Subtract the two function rules. [*]Combine like terms. [*]Simplify the equation. [/list]