171
What is the zero of the linear function graphed below? Xi ÿ- __j__.
/-,
Record your answer and fill in the bubbles on your answer document.
St
4t
4t
St
r
St
St
174
A store manager begin, s each shift with the same total amount of money. She keeps $200
in a safe and distributesÿ the rest e_qually to the 5 cashiers in the store. This situation can
-(x- 200)
be represented by the function y =
5
. What does the variable x represent in this
situation?
©
The total amount of money the manager has at the beginning of a shift
G
The total amount of money the manager has at the end of a shift
H
The amount of money each cashier has at the beginning of a shift
J
The amount of money each cashier has at the end of a shift
175 Which coordinate pair is in the solution set fory < 1 - 6x?
M
7i- 71
(ÿi"i Jÿ
i.7i
.... I" i-"I II t
]_...I][jj!]£][2
'r-i
"! R
,\
....
176
The set of ordered pairs below represents some points on the graph of functionf
r
t
{(3, 1 1), (-1, 3), (5, 15), (-4,-3), (-7,-9)}
r
r
r
r
r
........ _What is. the parent function off?.
t
-k
t
(
r
y=x
)
t
r
r
-k
t
t
r
r
t
t
177
The average annual rainfall for a particular city is 33.2 inches. In the first 30 weeks of
this year, the city received a total of 9.7 inches of rain. If it is expected to rain between
1.5 and 2.1 inches per week through the end of the year, what is a reasonable number of
additional weeks needed for this city to reach its average annual rainfall?
r
t
A-- ------ ÿ23ÿweeks
B
.\l ÿ vo, g c
13
weeks
_.
t
t
D
,-, ,.,
ÿ
..............
ÿ
0
"
l"
!,oÿ_I_
16 weeks
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t
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t
t
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178
A high schoÿ-a-ffd-held-a2bÿike-gÿleÿTiaenumber-oÿfcÿpcakes sold was four more than
r
twice the number of cookies sold. The band sold a total of 52 cupcakes and cookies.
r
r
How many cupcakes were sold?
t
r
t
-k
t
F
28
G
16
H
36
J
"
':: ÿ"ÿ3
/
,
ÿ,
.'<'ÿi .ÿ".
i:
)
':ÿ'
'
....
SZ
ÿ
e---"
• 24
1
S
2
-k
-k
r
-k
181
The graph below shows the water level in a tank being drained at a constant rate.
r
Tank Water Level
y
r
r
r
r
r
r
::l: 6
4
r
(4, 4)
r
0
r
!
1 2 3 4 5 6 7
M
Time (h)
If the rate at which the tank is drained is changed to 3 inches per hour and the initial
water level stays the same, how would the time it takes to empty the tank be affected?
r
r
A
It would take 4 fewer hours.
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B
It would take 1.5 more hours.
It would take 2 fewer hours.
D
It would take 2 more hours.
182
What are the x-intercepts of the graph of the quadratic functionf(x) = 5x2 + 4x- 1 ?
t
5
r
r
t
r
r
r
G
°
1 and 1
ÿ /'ÿ
"
/ "°'
5
H
0
and-1,---ÿ5
J
2
__2 andl
X
ÿ
l
")<
'\ÿ ÿ
//
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I
Iz<ÿ ,
....
--
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*
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179
The number of ferryboat trips,fie), needed to transport c cars in 1 day can be found using
c
-- If there
are no
more than 5,0.00 cars transported by ferryboat
the function
f(c)=
20
*
*
A
,
B
*
*
*
*
*
*
daily, what is the range of the function for this situation?
*
The set of all integers greater than or equal to 5,000
*
C
The set of all integers from 0 to 5,000
,
The set of all integers greater than or equal to 250
*
The set of all integers from 0 to 250
\
180 An architect is designing an office building with n floors that will have an FM radio
antenna 15.85 m tall on its roof. Each floor of the building will be 3.9 m high. Which
function can be used to find the total height of the building in meters, including the FM
*
,
*
*
**
antenna?
*
*
*
,
h(n) = 15.85n + 3.9
,
G' '
h(n) = 3.9n + 15.85
*
*
H
h(n) = 3.9n - 15.85
,
,
.I
h(n) = 19.75n
,
*
*
F
*
*
.....
ÿ
,
*********************************************************************
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183
A weightlifter is adding plates of equal weight to a bar. The table below shows the total
weight, including the bar, that he will lift depending on the total number of plates on the
bar.
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£0om o,
r
r
Plates`?`
\ÿo
r
r
r
r
r
2Z ,'
Total Weight
Ob)
2
115
-
4
7O
185
"
-7O
6
255
<
325
wO
r
r
r
r
r
r
Based on this information, which statement is true?
A
The bar weighs 35 lbs. without any plates.
B
The bar weighs 70 lbs. without any plates.
r
r
The bar weighs 45 lbs. without any plates.
D
The bar weighs 25 lbs. without any plates.
184
What is the range of the function shown below?
t
r
r
r
r
(ÿ)
r
r
r
r
r
F
{-7, -2, 0, 5}
r
{-9, -4,-1 }
r
r
r
r
H
{-9,-7,-4,-2,-1, 0, 5}
J
{-1}
r
A teacher collected data on 20 students for two different quizzes. The scatterplot below
shows the relationship between the number of points scored on Quiz 1 and the number of
points scored on Quiz 2.
¥
Quiz Scores
10
0
10 20 30 40 50
Points Scored on Quiz 1
Which statement describes the data?
The number of points scored on Quiz 2 was less than the number of points scored on
Quiz 1 for any student who scored at least 50 points on Quiz 1.
The number of points scored on Quiz 2 was greater than the number of points scored on
Quiz 1 for any student who scored 50 or fewer points on Quiz 1.
The number of points scored on Quiz 2 was greater than the number of points scored on
Quiz 1 for any student who scored at least 50 points on Quiz 1.
The number of points scored on Quiz 2 was less than the number of points scored on
Quiz i for any student who scored 50 or fewer points on Quiz 1.
r
r
r
186
Two points on the graph of a quadratic function are shown on the grid below.
r
r
4t
r
t
r
r
r
r
7
t
9r
r
t5
r
4t
4t
4t
4t
4t
5
r
r
X
r
4t
r
r
4t
.. I.o..ÿ. ,i...ÿ ..... Joÿ7ÿ
r
' +i .............. ........ t-°
i
....
r
r
4t
4t
4t
4t
What is the equation for the axis of symmetry of the graph of this function?
r
r
r
r
r
r
r
r
r
4t
4t
4t
r
t
t
9r
4t
4t
r
4t
4t
4t
r
r
X = -3
4t
4t
4t
r
H
x=-5
r
4t
r
r
4t
4t
4t
r
r
4t
4t
4t
4t
4t
r
t
4t
r
r
r
r
4t
r
4t
4t
*********************************************************************
*
*
*
187 The dishwasher at a restaurant is loaded with the same number of dishes every time it is
used. The table below shows the total number of dishes washed as a function of the
number of times the dishwasher is used.
*
,
.
.
*
,
4
<'7.'
,*
.
*
*
v /
>-
*
*
*
,
,
104
6
156
8
208
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7 2,6,
.
.
<,ÿ
.
ÿ/_
*
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/
, ÿ
.
.
.
**
% "/
,,
.
,
.
-J
Based on the data in the table, what is the total number of dishes that will have been
washed when the dishwasher is used 9 times?
*
,
,
...
/
.
*
,
.
52
ÿ
.
*
Total Number of
Oishes Washed
2
7_
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,ijÿl
uÿ
00 ®0® ® O®
0@0000<90
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,
*
0000000
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.
,*
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<ÿ ®®® ® ®®
®®0 ® ®®
*
.
*
*
mÿ?
<--2 z.--1-/ÿ-{
Record your answer and fill in the bubbles on your answer doc-tgment.
,
*
*
*
Restaurant Dishwasher
Number of
Times Used
*
.*
.
,
.
.
*
*
*,
,
,
,
.
.
,
*
,
*
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*
.
.
*
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® ®®® ® ®®
® ®®® ® ®®
,
*
*
*
.
*********************************************************************
*
188
The first six numbers in a pattern are shown below.
*
I 4 3 16 25 12
*
pattern?
*
H
n2
6
*
,
J
*
.
*
*
2
ÿ'"
J
':ÿ
[-i
ÿ Z
73
189
;ÿ
*
.
*
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*
2n
*
*
.
,
.
Which set of ordered pairs contains only points that are on the graph of the function
y = 12 - 3x?
A
B
D
.
.
*
.
{(-18, 10), (-6, 6), (18,-2)1
{(-5, 27), (-1, 15), (S,-12)}
2_-7
ÿ7ÿ- 1ÿ4-t5:
,
,
,
,
,
,
.
{(-3,-27), ÿ, (6, 54)}
{(-7,-9), (-4, 0), (2, 18)1
*
*
.
6
.
*
*
*/-
,
2ÿ
,w'
*
*
.
*
*
*
*
*
*
*
*
0
....
*
.
3
*I"
*
/fÿ"\ t n2
*
*
If the pattern continues, wlÿich expression can be used to find the nth number in the
.
*
*
*
.
-.
,
.
[ÿ= [ÿq-%'
*
*
*
*********************************************************************
190 Which inequality can be represented by the graph below?
X
y >_ x+b
-!
191
A
12x6ymz2
Which expression is equivalent to
9xSz5
y-10
B
4xSzs
y-lO
(7,
9xayÿ
Z
Z
@ 4x4y2
3xa y-6zÿ
?