The number of cell phone users at time t (in years) is modeled by . Which one of the following models the number of cell phone users for a one-month growth factor?

Question

The number of cell phone users at time t (in years) is modeled by  . Which one of the following models the number of cell phone users for a one-month growth factor?

Quizplus · Accepted Answer

To model a one-month growth factor, we need to find the value of the function after one month has passed. Since there are 12 months in a year, one month is 1/12th of a year. Therefore, we need to evaluate the function at t + 1/12, where t is the current time. Option B is the only one that has t + 1/12 in the exponent of e, so it represents the number of cell phone users after one month of growth.

The Number of Cell Phone Users at Time T (In