A fishery stocks a pond with 1000 young trout. The number of trout t years later is given by Q(t) = 1000e(−0.5t). Graph the number of trout against time. Do this on extra paper. How many trout are left after 1 year ____________________________? Find Q(3) and interpret your answer in terms of trout _____________________? At what time are there 100 trout left _________________________________? a. A. Approximately 606 Trout; B. Approximately 223 and means that after 3 years the pond will have about 223 trout left. C. Approximately 4.6 years b. A. Approximately 606 Trout; B. Approximately 223 and means that after 3 years the pond will have about 223 trout left. C. Approximately 1.6 years c. A. Approximately 606 Trout; B. Approximately 2231 and means that after 3 years the pond will have about 223 trout left. C. Approximately 4.6 years d. A. Approximately 900 Trout; B. Approximately 223 and means that after 3 years the pond will have about 223 trout left. C. Approximately 1.6 years e. None of these
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
A fishery stocks a pond with 1000 young trout. The number of trout t years later is given by Q(t) = 1000e(−0.5t). Graph the number of trout against time. Do this on extra paper.
- How many trout are left after 1 year ____________________________?
- Find Q(3) and interpret your answer in terms of trout _____________________?
- At what time are there 100 trout left _________________________________?
a. |
A. Approximately 606 Trout; B. Approximately 223 and means that after 3 years |
|
b. |
A. Approximately 606 Trout; B. Approximately 223 and means that after 3 years |
|
c. |
A. Approximately 606 Trout; B. Approximately 2231 and means that after 3 years |
|
d. |
A. Approximately 900 Trout; B. Approximately 223 and means that after 3 years |
|
e. |
None of these |
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