Use the function as defined below to answer parts (a)-(d).
a) Which of the following is an accurate sketch a graph of on the interval ?

A   B
C   D

(Click on a graph to enlarge it)

b) What are the domain and range of ?

c) Over what intervals is increasing? Decreasing?

d) State the long-run behavior of as , and give the equation(s) of any horizontal asymptote(s).
Long-run behavior:

Horizontal asymptote(s):