One model for the number of students enrolled in U.S. public high schools as a function of time since 1986 is the formula below.
(a) Use functional notation to express the number of students enrolled in U.S. public high schools in the year 1988.
Calculate that value. (Round your answer to one decimal place.)
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Here the given function is :
N = 0.05t2 − 0.42t + 12.33
(a) Use functional notation to express the number of students enrolled in U.S. public high schools in the year 1988.here the input to the function is t , which is years since 1986 , so t in 1988 would be = 1988 -1986 = 2so, the Functional Notion is N(2) = 0.05(2)2 − 0.42(2) + 12.33calculating the value , N(2) = 0.05*4 - 0.84 +12.33 = 0.2 -0.84 + 12.33 = 11.69 millionrounding to nearest decimal place, we get 11.7 million.Calculate N(6) = 0.05(6)2 − 0.42(6) + 12.33 = 0.05*36 - 0.42*6 + 12.33 = 11.61 million
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