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] This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on their resources.