Trigonometry High School Examination Worksheet Template Page 17

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38 A population of single-celled organisms was grown in a Petri dish over a period of 16 hours.
The number of organisms at a given time is recorded in the table below.
Time, hrs
Number of Organisms
(x)
( y)
0
25
2
36
4
52
6
68
8
85
10
104
12
142
16
260
Determine the exponential regression equation model for these data, rounding all values to the
nearest ten-thousandth.
Using this equation, predict the number of single-celled organisms, to the nearest whole number,
at the end of the 18th hour.
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[OVER]
Algebra 2/Trigonometry – January ’12

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