Practice Page
Directions: Read carefully. Choose the best answer.
1.
Regarding the graph at the right:
a) What is the x-intercept?
Choose:
(-1,0)
(0,1)
(0,-1) (1,0)

b) What is the y-intercept?
Choose:
(-1,0)
(0,1)
(0,-1)
(1,0)
FFgraph3

 

 

2.
Regarding the graph at the right:
a) On what interval(s) is the function increasing?
Choose:
-1 < x < 3
x < -1 and x > 3
x < 0 and x > 2
0 < x < 2

b) On what interval(s) is the function decreasing?
Choose:
-1 < x < 3
x < -1 and x > 3
x < 0 and x > 2
0 < x < 2
FFgraph1
FFhint
 

c) Which choice is a relative maximum point for this function?
Choose:
(0, -1)
(2, 3)
(-1, 0)
(3, 2)

 

 

3.
Regarding the graph at the right:
a) On what interval(s) is the function positive?
 Choose:
x < 0
x < -1 and x > 1
x < -1
x < -1 and x > 1

b) On what interval(s) is the function negative?
 Choose:
x < -1
-1 < x < 1
-1 < x < 1
x < -1 and x > 1
FFgraph2a

 

 

4.
Regarding the graph at the right:
a) Which of the following points is a relative maximum for this function?
Choose:
(-1.4, -4)
(0, 0)
(1.4, -4)
(2, 0)

b) Which choice describes the end behavior as x approaches infinity?
Choose:
f (x) → -∞
f (x) → 2
f (x) → ∞
f (x) → 3
FFgraph4
 

c) What is the absolute minimum value reached by this function?
Choose:
-2
-4
∞
-∞
 

d) What type of symmetry, if any, does this function possess?
Choose:
point symmetry
horizontal symmetry
vertical symmetry no symmetry

 

 

5.
Regarding the graph at the right:
a) What is the maximum value reached by this function?
Choose:
1
2
3
4

b) What is the minimum value reached by this function?
Choose:
0
-2
-3
-4
FFgraph5
 
c) Which interval choice is the domain of this function?
Choose:
[-4,4]
[-3,3]
[-4,-1)
(-1,4]
 

d) Which interval choice is the range of this function?
Choose:
[-4,4]
[-3,3]
[-2,1)
[-2,1]
 

e) If this function is referred to as f (x), which choice is f (-1)?
Choose:
1
-1
3
both 1 and 3

 

 

6.
A 10 inch square sheet of construction paper is given to each student in math class. Directions are given to fold an open-topped box after cutting congruent squares from each corner of the paper.
 
Which equation represents the volume of the box?
Choose:
V = (10 - 2x)2
V = x•(10 - 2x)2
V = 100 - 4x2
V = x•(100 - 4x2)
foldbox
 
Based upon the graph of the volume shown at the right:
a) What is the maximum volume of the box, to the nearest tenth?
 Choose:
1.7 sq. in.
74.1 sq. in.
1.7 cu. in.
74.1 cu. in.
foldboxgraph
 
b) To achieve the maximum volume, what size squares should be cut from each corner of the paper, to nearest tenth?
 Choose:
1.7 sq. in.
1.7 in.
74.1 in.
74.1 cu. in.

 

 

7.
The Weather Channel charted local temperatures and saw a storm front arrive at 11 AM.
a) What was the maximum temperature reached during the 10 hours of recordings?
 Choose:
70º
80º
85º
68º

b) What was the minimum temperature, caused by the storm front?
 Choose:
40º
80º
50º
68º
FFgraph7
 

c) At what time did the minimum temperature, caused by the storm front, occur?
 Choose:
6 AM
11 AM
2 PM
3 PM
 

d) During what time interval was the temperature decreasing?
 Choose:
(8 AM, 11 AM)
(2 PM, 6 PM)
(3 AM, 6 AM)
(11 AM, 2 PM)



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