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.
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9. Maggie recorded the population for two different cities in North Carolina. The results are shown in
the table below
Time
City 1, NC
City 2, NC
(years)
2008
950
150
2010
1,248
1,551
299
2012
598
2014
1,862
Which statement best describes her data?
1196
[A] Both cities" population changed at a constant rate.
[B] Both cities' population changed at an exponential rate.
[C] City 1 increased its population at a constant
City 2 increased its popu
on at an
exponential rate.
[D] City 1 increased its population at an exponential rate, and City 2 increased its
population
10.
Identify the initial amount a and the growth factor b in the exponential function.
y = 200(1.0875)*
a. a = 1.0875, b = 200
cC. a = 200, b = 1.0875
b. a = .0875, b 200
d. a = 200, b = .0875
11. Which of the following equations represents exponential growth?
b. y = 125(.75)* C. y = 100(1.04) d. y = -4
a.
to orponential arowth 2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F469d2b63-322d-463d-8589-6d22715c2292%2F2ca7b728-8f36-4f4e-b664-b5a9245a8e38%2Fdw9cof8_processed.jpeg&w=3840&q=75)
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