1) a. b. c. no d. discontinuous @ and

e. the discontinuity at can be removed by assigning . All the other discontinuities can be removed by extending the domain from to .

2) a. asymptotes @

b. @

@

3)

a. @

@

b. i

ii

4) a.

b.

i

ii

5) i

ii Meaning that they lost $284,833 over the first 11 years.

6)

7) a.

b.

c.

8)

9)

10)