PRACTICE TEST 1 PART 1 FALL 2009 DUPRE

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____ 1. Find the domain of the function.

Select the correct answer.

a.
b.
c.
d.
e.

____ 2. Starting with the graph of , find the equation of the graph that results from reflecting about the line .

Select the correct answer.

a.
b.
c.
d.
e.

____ 3. If , find .

Select the correct answer.

a.
b.
c.
d.
e.

____ 4. A rectangle has perimeter 18 m.

Express the area of the rectangle as a function A(l) of the length l of one of its sides.

Select the correct answer.

a.
b.
c.
d.
e.

____ 5. Starting with the graph of , find the equation of the graph that results from reflecting about the line .

Select the correct answer.

a.
b.
c.
d.
e.

____ 6. Find the exponential function whose graph is given.

Select the correct answer.

a.
b.
c.
d.
e.

____ 7. Find the exact value of the expression.

Select the correct answer.

a.	1/2
b.
c.
d.	0
e.	undefined

____ 8. The table shows (lifetime) peptic ulcer rates (per 100 population) for various family incomes as reported by the 1989 National Health Interview Survey.

Find the slope of the linear model using the first and last data points.

Number of data point	Ulcer rate (per 100 population)	Income
First	14.3	3,000
Second	13.8	4,000
Third	14.2	8,000
Fourth	13.5	13,000
Fifth	12.3	19,000

Select the correct answer.

a.	-0.0005
b.	-0.00008
c.	-0.000125
d.	-0.125
e.	-1.5

____ 9. How does the graph of the function change when c changes?

Select the correct statement.

a.	at one of the humps disappears
b.	the humps get flatter as c decreases
c.	if the graph has three humps

____ 10. Which function is represented by the following graph?

Select the correct answer.

a.
b.
c.
d.
e.