The number, in thousands, of bacteria in a petri dish is given by the table below. Time is measured in hours. Time in hours since experiment began Number of bacteria in thousands 1.2 2.4 4.8 9.6 19.2 38.4 76.8 The table below shows enrollment,t in millions of people, in public colleges in the United States during the years from 2004 through 2008. esc Date 2004 2005 2006 2007 2008 0 1 2 3 4 5 6 80 Enrollment in millions 4.29 4.47 4.58 4.76 5.13 (a) Plot the data points for number of bacteria. bacteria 60 40 20 bacteria 80 GO . 1 80 F3 888 F4 time bacterial 80 60 40 20 bacteria 80 2 84 F7 DII FB time DD F9

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section7.5: Percent Of Change
Problem 26E
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The number, in thousands, of bacteria in a petri dish is given by the table below. Time is measured in hours.
Number of bacteria
Time in hours since
experiment began
in thousands
1.2
2.4
4.8
9.6
19.2
38.4
76.8
The table below shows enrollment,t in millions of people, in public colleges in the United States during the years from 2004 through 2008.
esc
!
Date
2004
2005
1
2006
2007
2008
F1
Q
0
1
A
(a) Plot the data points for number of bacteria.
bacteria
2
3
4
80
5
6
Enrollment in millions
4.29
4.47
60
40
20
bacterial
80
GO
@
2
4.58
4.76
5.13
F2
1
W
S
2
#
3
3
80
F3
E
4
D
5
$
4
6
888
F4
R
LL
time
F
27 2⁰
%
5
bacterial
80
60
40
T
20
bacterial
80
60
^
6
G
1
F6
2
Y
3
&
7
H
4
84
F7
U
5
* 00
8
J
6
DII
FB
time
-
(
9
DD
F9
K
-0
)
0
A
F10
L
P
Transcribed Image Text:tab caps lock The number, in thousands, of bacteria in a petri dish is given by the table below. Time is measured in hours. Number of bacteria Time in hours since experiment began in thousands 1.2 2.4 4.8 9.6 19.2 38.4 76.8 The table below shows enrollment,t in millions of people, in public colleges in the United States during the years from 2004 through 2008. esc ! Date 2004 2005 1 2006 2007 2008 F1 Q 0 1 A (a) Plot the data points for number of bacteria. bacteria 2 3 4 80 5 6 Enrollment in millions 4.29 4.47 60 40 20 bacterial 80 GO @ 2 4.58 4.76 5.13 F2 1 W S 2 # 3 3 80 F3 E 4 D 5 $ 4 6 888 F4 R LL time F 27 2⁰ % 5 bacterial 80 60 40 T 20 bacterial 80 60 ^ 6 G 1 F6 2 Y 3 & 7 H 4 84 F7 U 5 * 00 8 J 6 DII FB time - ( 9 DD F9 K -0 ) 0 A F10 L P
esc
Does it look reasonable to approximate these data with a straight line?
O It looks like the points almost fall on a straight line. It appears reasonable to approximate this data with a straight line.
O The plot of the data appears to be fit better by a curve rather than by a straight line.
(b) Plot the data points for college enrollment.
enrollment
in millions
!
1
20
F1
Q
5.5
5.0
4.5
enrollment
in millions
5.5
O
5.0
2004 2005 2006 2007 2008
4.5
@
NO
2
2004
*
F2
W
2005 2006
#
3
80
F3
E
2007 2008
54
$
900
000
F4
R
date
date.
%
5
F5
enrollment
in millions.
T
5.5
5.0
4.5
enrollment
in millions
5.5
5.0
2004
4.5
^
6
2005
2004 2005
F6
Y
&
7
2006
2006
A4
F7
2007
2007
U
*
8
2008
2008
DII
F8
date
date
1
(
9
DD
F9
)
-0
0
F10
Transcribed Image Text:esc Does it look reasonable to approximate these data with a straight line? O It looks like the points almost fall on a straight line. It appears reasonable to approximate this data with a straight line. O The plot of the data appears to be fit better by a curve rather than by a straight line. (b) Plot the data points for college enrollment. enrollment in millions ! 1 20 F1 Q 5.5 5.0 4.5 enrollment in millions 5.5 O 5.0 2004 2005 2006 2007 2008 4.5 @ NO 2 2004 * F2 W 2005 2006 # 3 80 F3 E 2007 2008 54 $ 900 000 F4 R date date. % 5 F5 enrollment in millions. T 5.5 5.0 4.5 enrollment in millions 5.5 5.0 2004 4.5 ^ 6 2005 2004 2005 F6 Y & 7 2006 2006 A4 F7 2007 2007 U * 8 2008 2008 DII F8 date date 1 ( 9 DD F9 ) -0 0 F10
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