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1. |
Use the following table to find the population of bacteria in hour n. |
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A. |
30,000 × 66 |
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B. |
180,000n |
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C. |
6 × 30,000 n |
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D. |
30,0006n |
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Hint |
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2. |
The population of fish in Mark's lake is 500 this year. If the population increases by 6.9% a year, what number can Mark multiply this year's population by to estimate the fish population in the lake next year? |
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A. |
1.069 |
B. |
1.69 |
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C. |
0.0931 |
D. |
6.9 |
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Hint |
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3. |
Suppose your parents buy a new car for $21,000. What will the value of the car be in 5 years if the car depreciates by 10% each year.? |
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A. |
$11,160 |
B. |
$10,044 |
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C. |
$12,400 |
D. |
$15,309 |
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Hint |
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4. |
Use the following table to find the amount of medicine remaining in the bloodstream after n hours. |
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A. |
500 × 0.85n |
B. |
425 × 0.85n |
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C. |
0.85 × 500n |
D. |
0.85n |
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Hint |
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5. |
Identify the decay factor in the equation p = 1,508,069 × 0.89n where p is the bacteria population and n is the number of days after a vaccine was administered. |
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A. |
1,508,069 |
B. |
0.89 |
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C. |
p |
D. |
n |
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Hint |
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