36. The table gives the number N(t), measured in thousands, of minimally invasive cosmetic surgery procedures performed in the United States for various years t. t N(t) (thousands) 2000 5,500 2002 4,897 2004 7,470 2006 9,138 2008 10,897 2010 11,561 2012 13,035 Source: American Society of Plastic Surgeons (a) What is the meaning of N'(t)? What are its units? (b) Construct a table of estimated values for N'(t). (c) Graph N and N'. (d) How would it be possible to get more accurate values for N'(t)? 37. The table gives the height as time passes of a typical pine tree grown for lumber at a managed site. Tree age (years) 14 28 35 42 49 21
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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