Wetzel                                    

Math 110

2.2 – Introduction to Functions

Functions –

            Definition –

            Notation –

            Evaluating a function -

            Domain -

            Range –

Ex.: 

1.)  Given the functions,

            ,  ,  and 

            find the following.

            a.)  = ___________                              b.)  = ____________

            c.)  = ___________                          d.)  State the domain of h(x).

            One-to-one function -

            Piecewise Function –

Ex.:

            1.)  Graph the function,

                               

HOMEWORK:  p.192:  #1-9odd, 27-35odd, 39, 41