Wetzel

Math 101

3.4 – Linear Function

 

What is a function?

 

            Notation –

 

 

 

            Evaluating -

 

 

 

            Domain –

 

 

 

            Range –

 

 

Ex.:

1.)  Given f(x) = -3x + 5,  find f(4), f(-3), and f(2).

 

 

 

2.)  Graph the function.