Sec 3.1 Powers and Polynomials

For and , two functions.

Let , with a and b constants.

Find

Some General Rules:

1)

2)

3)

4) for n a real number

4 examples…

5^th ex) Find the equation of the line that is tangent to the graph where

6^th ex) On what interval(s) is the graph of the function both decreasing and concave downward?