### Home > APCALC > Chapter 7 > Lesson 7.1.2 > Problem 7-18

7-18.

It just so happens that Hustling Harry’s grade in math class at any week *t* during the semester is calculated by *g*(*t*) = 46 cos

This is an application of the Mean Value Theorem.

Show setup and steps. *t* ≈7.630 weeks