The following table shows the number, in millions, graduating from high school in the United States, in the given year. t= Year 1985 1987 1989 1991 N= Number graduating 2.83 2.65 2.47 2.29 (a) Explain in practical terms vwhat N(1987) means. Olt represents the total number, in millions, graduating from high school in the United States in 1987. Oit represents the total number, in millions, graduating from high school in the United States, from 1987 through 1991. Oit represents the percentage of high school seniors graduating fram high school in the United States, between 1987 and 1991. Oit represents the percentage of high school seniors graduating from high school in the United States in 1987. Find its value. ]million students (b) Use functional notation to express the number of graduates in 1986. Estimate its value. (Round your ansvwer to tvwo decimal places.) (c) Find the average rate per year during the period 1987 to 1989. (Round your answer to two decimal places.) million students per year (d) Estimate the value of N(1995). (Round your answer to two decimal places.) ]million students

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Chapter2: Second-order Linear Odes
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The following table shows the number, in millions, graduating from high school in the United States, in the given year.
t = Year
N = Number graduating
1985
2.83
1987
2.65
1989
2.47
1991
2.29
(a) Explain in practical terms what N(1987) means.
Olt represents the total number, in millions, graduating from high school in the United States in 1987.
Olt represents the total number, in millions, graduating from high school in the United States, from 1987 through 1991.
It represents the total number graduating from high school in the United States in 1987.
OIt represents the percentage of high school seniors graduating from high school in the United States, between 1987 and 1991.
OIt represents the percentage of high school seniors graduating from high school in the United States in 1987.
Find its value.
million students
(b) Use functional notation to express the number of graduates in 1986.
Estimate its value. (Round your answer to two decimal places.)
(c) Find the average rate per year during the period 1987 to 1989. (Round your answer to two decimal places.)
million students per year
(d) Estimate the value of N(199s). (Round your answer to two decimal places.)
million students
And /Shuterstock com
Transcribed Image Text:The following table shows the number, in millions, graduating from high school in the United States, in the given year. t = Year N = Number graduating 1985 2.83 1987 2.65 1989 2.47 1991 2.29 (a) Explain in practical terms what N(1987) means. Olt represents the total number, in millions, graduating from high school in the United States in 1987. Olt represents the total number, in millions, graduating from high school in the United States, from 1987 through 1991. It represents the total number graduating from high school in the United States in 1987. OIt represents the percentage of high school seniors graduating from high school in the United States, between 1987 and 1991. OIt represents the percentage of high school seniors graduating from high school in the United States in 1987. Find its value. million students (b) Use functional notation to express the number of graduates in 1986. Estimate its value. (Round your answer to two decimal places.) (c) Find the average rate per year during the period 1987 to 1989. (Round your answer to two decimal places.) million students per year (d) Estimate the value of N(199s). (Round your answer to two decimal places.) million students And /Shuterstock com
Expert Solution
part a

In the given table, graduating from high school in the united states is shown where t is the year and Nt is the number of graduating in the year t in million. 

So, N1987 is the total number in million graduating from high school in united states in the year 1987.

Thus, correct option is A

It value is N1987=2.65 million

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