fishery stocks a pond with 1200 young trout. The number of trout t years later is given by P(t) = 1200e − 0.8t . How many trout are left after 6 months? After 1 year? P(6 months) = 804 trout, and P(1 year) = 539 trout [Round your answers to the nearest integer.] Find P(3) and interpret it in terms of trout. P(3) = 109 trout [Round your answer to the nearest integer.] At what time are there 120 trout left? When t = years there are only 120 trout. [Round your answer to 1 decimal place.]
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 1200 young trout. The number of trout t years later is given by P(t) = 1200e − 0.8t .
How many trout are left after 6 months? After 1 year?
P(6 months) = 804
trout, and P(1 year) = 539
trout
[Round your answers to the nearest integer.]
Find P(3) and interpret it in terms of trout.
P(3) = 109
trout
[Round your answer to the nearest integer.]
At what time are there 120 trout left?
When t =
years there are only 120 trout.
[Round your answer to 1 decimal place.]
We will use the given exponential relationship to find number of trouts left of 8 years.
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