One of the factors that determines the degree of risk a pesticide poses to human health is the rate at which a pesticide is absorbed into skin after contact. An important question is whether the amount in the skin continues to increase with the length of the contact, or whether it increases for only a short time before leveling off. To investigate this, measured amounts of a certain pesticide were applied to 20 samples of rat skin. Four skins were analyzed at each of the time intervals 1 , 2 , 4 , 10 , and 24 hours. The amounts of the chemical (in micrograms) that were in the skin are given in the following table. Duration Amounts Absorbed 1 1.7 1.8 1.3 2.1 2 1.9 2.0 1.3 2.0 4 2.2 1.6 2.3 1.7 10 2.0 2.2 1.9 1.7 24 2.3 2.5 2.6 2.2 Send data to Excel
One of the factors that determines the degree of risk a pesticide poses to human health is the rate at which a pesticide is absorbed into skin after contact. An important question is whether the amount in the skin continues to increase with the length of the contact, or whether it increases for only a short time before leveling off. To investigate this, measured amounts of a certain pesticide were applied to 20 samples of rat skin. Four skins were analyzed at each of the time intervals 1 , 2 , 4 , 10 , and 24 hours. The amounts of the chemical (in micrograms) that were in the skin are given in the following table. Duration Amounts Absorbed 1 1.7 1.8 1.3 2.1 2 1.9 2.0 1.3 2.0 4 2.2 1.6 2.3 1.7 10 2.0 2.2 1.9 1.7 24 2.3 2.5 2.6 2.2 Send data to Excel
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 3TI: Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to...
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One of the factors that determines the degree of risk a pesticide poses to human health is the rate at which a pesticide is absorbed into skin after contact. An important question is whether the amount in the skin continues to increase with the length of the contact, or whether it increases for only a short time before leveling off. To investigate this, measured amounts of a certain pesticide were applied to
20
1
2
4
10
24
| Duration | Amounts Absorbed | |||
|---|---|---|---|---|
|
1
|
1.7
|
1.8
|
1.3
|
2.1
|
|
2
|
1.9
|
2.0
|
1.3
|
2.0
|
|
4
|
2.2
|
1.6
|
2.3
|
1.7
|
|
10
|
2.0
|
2.2
|
1.9
|
1.7
|
|
24
|
2.3
|
2.5
|
2.6
|
2.2
|
Send data to Excel
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