1. The value of a car depreciates over time. The value, V(t) in dollars, of an SUV t years after it is purchased is given by V(t)=32700(0.812)t a. What was the purchase price of the SUV? b. What will the SUV be worth 3 years after purchase?
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.
1. The value of a car depreciates over time. The value, V(t) in dollars, of an SUV t years after it is purchased is given by V(t)=32700(0.812)t
a. What was the purchase price of the SUV?
b. What will the SUV be worth 3 years after purchase?
3. Since 1963, housing prices have raised an average of 5% per year. Paul bought a house for $20,000 in 1963.
a. Write a function that describes the exponential growth.
b. How much was the house worth in 1990?
5. Arch’s motorboat cost $15,000 in 1990 and has depreciated by 10% every 3 years. How much was the boat worth in 1999?
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