1.
Evaluate the function
f
(
x
) = 2
x
3
- 6
x
+ 1 for
f
(-2).
A.
37
B.
-3
C.
5
D.
-35
Hint
2.
Given
f
(
x
) = 3
x
+ 2
x
- 2 and
g
(
x
) = 4
x
+ 1, find
A.
B.
3
x
2
- 2
x
- 3
C.
D.
3
x
2
+ 6
x
- 1
Hint
3.
Find
(
x
) if
f
(
x
) = 3
x
2
+ 1 and
g
(
x
) = 2
x
+ 3.
A.
12
x
2
+ 36
x
+ 28
B.
6
x
2
+ 5
C.
12
x
2
- 36
x
+ 28
D.
6
x
2
- 5
Hint
4.
Graph the equation
y
=
A.
B.
C.
D.
Hint
5.
Rewrite the equation 3
x
+
y
= 7 in slope-intercept form.
A.
y
= 7
x
+ 3
B.
y
= -3
x
- 7
C.
y
= 3
x
- 7
D.
y
= -3
x
+ 7
Hint
6.
Write an equation in slope-intercept form for the line with a slope -3 and passes through the point (4, 2).
A.
y
= -3
x
+ 2
B.
y
= -3
x
+ 4
C.
y
= -3
x
- 8
D.
y
= -3
x
+ 14
Hint
7.
Write the standard form of the equation of the line that passes through the point (-4, -2) and is perpendicular to the graph of 3
x
- 2
y
+ 9 = 0.
A.
3
x
- 2
y
- 14 = 0
B.
2
x>
+ 3
y
- 14 = 0
C.
3
x
- 2
y
+ 14 = 0
D.
2
x
+ 3
y
+ 14 = 0
Hint
8.
Use a graphing calculator to find the equation of the regression line.
A.
y
= 12
x
- 23,947
B.
y
=
x
- 576
C.
y
= 23
x
- 21,000
D.
y
= 2
x
- 25
Hint
9.
Which is the graph of
f
(
x
) = [[2
x
]]?
A.
B.
C.
D.
Hint
10.
Which is the graph of
g
(
x
) = |6 - |2
x
||?
A.
B.
C.
D.
Hint
11.
Which is the graph of the inequality
x
+ 2
y
- 2
0?
A.
B.
C.
D.
Hint
12.
An automobile manufacturer produces two kinds of cars--the Bobcat
x
and the Lion
y
. The company must always produce twice as many Bobcats as Lions and at least 300 cars but no more than 1200 cars per day. Model this situation algebraically.
A.
300
x
+ 2
y
1200
B.
300
x
+
y
1200 and
x
= 2
y
C.
300
2
x
+
y
1200
D.
300
x
+ 2
y
1200 and
x
= 2
y
Hint
13.
Find
f
(2
b
2
) for
f(x)
=
x
2
– 4
x
A.
-4
b
2
B.
4
b
2
- 8
b
8
C.
4
b
4
- 8
b
2
D.
2
b
4
- 8
b
2
Hint
14.
Find a linear equation that can be used as a model for the data shown.
A.
B.
C.
D.
Hint
15.
Write the equation of the line that is parallel to 2
x
- 3
y
- 15 = 0 and that passes through the point (3,4).
A.
2
x
- 2
y
+ 6 = 0
B.
2
x
+ 3
y
+ 6 = 0
C.
2
x
+ 5
- 3 = 0
D.
2
x
- 3
y
+ 6 = 0
Hint
16.
What type of relationship does the scatter plot suggest?
A.
no correlation
B.
a linear relationship with a positive correlation
C.
a linear relationship with a negative correlation
D.
no linear relationship
Hint