The total number of people, in thousands, age 65 years old and over who were below the poverty level can be modeled by N(t) - -59(t - 12)? + 3890 where N(t) represents the total number of people 65 years old and over in the United States who were below the poverty level, in thousands, t years since 1980.t (a) How many people 65 years old and over were below the poverty level in 2000? In 2000 there were people 65 years old and over below the poverty level. (b) When were there 1 million people 65 years old and over below the poverty level? (Hint: 1 million - 1000 thousand) According to this model, there were 1 million people 65 years old and over below the poverty level in the years |(smaller value) and (c) What is the vertex of this model, and what does it represent? In about there were people 65 years old and over below the poverty level. This was the maximum number of people around this

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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.