Come to the next class with the answers to these questions completed.  Name __________________

1. Carefully reread the house painting example on p. 4. What is f(20,000)?
    o It's 20,000 gallons of paint
    o It's the number of gallons you need to paint 20,000 ft² of house.
    o It's 20,000 houses to paint.
    o It's 20,000 ft² of house to paint.

2. In Section 2.1, Example 4, what is the value of h(-2)?

3.The value of −2 is in the range of f(x) in Section 2.1, Example 6 on page 63.
    o True
    o False

4. Which of these is NOT a real number? (Select ALL possible answers.)
    o The square root of 2
    o The square root of 0
    o The square root of −2
    o 1 divided by 0.
    o 0 divided by 1
    o The cubed root of 2
    o The cubed root of 0
    o The cubed root of −2

5. The domain is the set of ...
    o monotonic values
    o input values
    o diatonic values
    o output values

6. The range is the set of ...
    o monotonic values
    o input values
    o diatonic values
    o output values

7. Read Example 4 in Section 2.2 carefully. What reason does the text give
    for why it is not possible for g(x) to equal 0?
   ____________________________________________________

8. Why did they restrict the domain in Section 2.2, Example 2?
    o It's for mature audiences only.
    o Chirp rate is nonnegative and noninfinite.
    o All the crickets died.
    o It pertained to certain species of cricket.
    o Crickets make lousy house pets.