Question

during the period 1995-2002, the number S of students (in thousands) enrolled in school in the U.S. and the percent P (in decimal form) of this amount that are 7 and 13 years old can be modeled by

Answer 1

\[S=32.6t ^{3}-376.45t ^{2}+1624.2t+66,939 and P=0.000005t ^{4}-0.0003t ^{3}-0.0003t ^{2}-0.007t+.4\]

Answer 2

A find the values of s and p for t=0. What does the product of S times P mean for t=0 in the context of this problem?

Answer 3

B. write an equation that models the number of students (in thousand) that are between 7 and 13 years old as a function of the number of years since 1995.

Answer 4

C. How many students between 7 and 13 years old were enrolled in 1995?