1. Functions and Graphs
Section 1.2

2. Review Dependent variable Independent variable Domain and range
Definition of a function
Natural domain
Boundary and boundary points
Interior and interior points
Closed intervals
Open intervals

3. Graph Viewing Skills Recognize that a graph is reasonable.
See all important characteristics of the graph.
Interpret these characteristics.
Recognize calculator failure.

4. Calculator (Grapher) Failure
Find the domain and range of

5. Power Functions See examples on page 13 Linear Quadratic Cubic
Square root
Fractional exponents
Negative exponents
See examples on page 13

6. Even and Odd Functions Even Functions Odd Functions f(-x) = f(x)
Even powers of x (watch shifts!)
Symmetric about y-axis
f(-x) = -f(x)
Odd powers of x (watch shifts)!
Symmetric about origin

7. Other Functions Piecewise defined functions Absolute value functions
Composite functions
Transformations

8. Pages 17-18

9. Pages (9, 17, 23, 27, 29, 33, 35, 39, 41, 45, 49, 55) Check answers in the back of your books or with each other

10. Pages (59-62)