Come to class with the answers to these questions already on your calculator.

1. 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 62.
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 square root of 0
o  The cubed root of -2

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

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

7. The value of 24 is in the domain of R in Example 4 on page 5.
o True
o False

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.