The Number N, Measured in Millions of Students, Enrolled in High

Multiple Choice

The number N, measured in millions of students, enrolled in high school t years after 1965 is given approximately by ​ .
According to this model, in what year (as a date) did high school enroll reach a maximum, and what was the maximum enrollment? Round your answers to two decimal places.
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A) The maximum enrollment of 13.68 million occurred in 1977.
B) The maximum enrollment of 12.00 million occurred in 1981.00.
C) The maximum enrollment of 13.44 million occurred in 1984.
D) There is no maximum value.