Reading Questions over Section 3.1                    Name ________________________________________
Come to the next class with the following completed.

1. Carefully read the first two sentences of Section 3.1 and complete the blanks:
    Exponential functions change at a constant _____________, while linear functions change at a constant _____________.

2. Notice in Example 1 how the salary is computed from the previous year's salary.
    Then give the salary for Year 5 (accurate to two decimal places.).  ___________________
 
3. For the salary function in Example 1, give the annual growth factor: __________

4. For the salary function in Example 1, give the annual growth rate: __________

5. Circle True or False:
    The text reports the growth factor per millenium of the carbon-14 function from
    Example 3 as 0.886, even though it is decreasing.
     o True
     o False

6. On page 110, suppose there was a row for t = 4 years in Table 3.4.
    Would the salary be equivalent to 40,000(1.06)(1.06)(1.06)(1.06)?
     o Yes
     o No

7. The blue box on page 110 is VERY important. Read it carefully. Which of these represents the growth factor?
     o a
     o b
     o t
     o f(t)
     o r

8. In Section 3.1, which of these functions are concave up? (Select ALL correct answers.)
     o The salary function in Example 1
     o The population of Mexico in Example 2
     o The amount of carbon-14 remaining in Example 3
     o The Yonkers fine in Example 8.

9. In Example 8, suppose the fine started out at $100 but tripled every day instead of doubled.
    What would then be the formula in part (b)?
_________________