2.1 Interpreting and Constructing Tables and Graphs. Variables.

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2.1 Interpreting and Constructing Tables and Graphs. Variables

Variables example: 1.Can n be reasonable replaced by a negative value, such as -2? Explain 2.Can n be reasonable replaced by ZERO? Explain 3.What is the possible collections of replacement values for n in this situation?

Input and Output 1.What is the blood-alcohol concentration for a 200-pound person who has consumed 4-beers, 9-beers in one hour? 2. What is the blood-alcohol concentration when 8-beers are consumed in one hour? 3. According to the presiding table, as the numbers of beer consumed in one hour increases. What happen to the blood- alcohol concentration?

Graphical Representation Ordered Pair also called Coordinates (input, output) (values of horizontal axis, values vertical axis)

Write answers in ordered pair 1.From the graph, approximate the blood-alcohol concentration of 200-pound person who consumes two beers in 1 hour. 2.Estimate the number of beers that a 200-pound person must consume in 1 hour to have a blood-alcohol concentration of When n = 4 approximate the value of B. 4.When B = approximate n.

Estimate the Medicare Expenditure in the table Which column represents the input? Which column represents the output ?