### Home > APCALC > Chapter 7 > Lesson 7.2.3 > Problem 7-81

7-81.

Yong Li’s initial deposit of

Since you cannot 'plug in' ? to the denominator of a fraction, you will need to use a limit to describe this situation.

7-81.

Yong Li’s initial deposit of

Since you cannot 'plug in' ? to the denominator of a fraction, you will need to use a limit to describe this situation.