Given that a quantity Q(t) exhibiting exponential decay is described by the function
where t is measured in years. What is the decay constant? What quantity is present initially?Complete the table of values. Round your answer to the nearest integer.
t
0
5
10
20
100
Q
____
____
____
____
____
A. k = 2,200; Q = -2,200??
| t | 0 | 5 | 10 | 20 | 100 |
| Q | 2,200 | 1,912 | 1,530 | 1,000 | 35 |
B. k = 2,200; Q = -2,200?
| t | 0 | 5 | 10 | 20 | 100 |
| Q | 2,200 | 1,912 | 1,475 | 1,000 | 40 |
C. k = -0.04; Q = 2,200?
| t | 0 | 5 | 10 | 20 | 100 |
| Q | 2,200 | 1,801 | 1,530 | 989 | 35 |
D. k= -0.04; Q = 2,200?
| t | 0 | 5 | 10 | 20 | 100 |
| Q | 2,200 | 1,801 | 1,475 | 989 | 40 |
Answer: D
Mathematics
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