Solve.
-The number of students in a school in year n is estimated by the model a_n = 4n2 + 13n + 80. About how many students are in the school in each of the first three years?

Question

Quizplus · Accepted Answer

For each of the first three years (n = 1, 2, 3), we substitute n into the model $aS_{1}U_{1}B_{1}nS_{1}U_{1}B_{0} = 4n^2 + 13n + 80$ and calculate the number of students. For n=1: $4(1)^2 + 13(1) + 80 = 97$, for n=2: $4(2)^2 + 13(2) + 80 = 122$, and for n=3: $4(3)^2 + 13(3) + 80 = 155$.

Solve. -The Number of Students in a School in Year N