### Home > CALC > Chapter 11 > Lesson 11.2.3 > Problem11-72

11-72.

Multiple Choice: No calculator! A company predicts its revenue to grow at a rate of $R ^ { \prime } = 5 - \frac { 1 } { 2 } ( t - 3 ) ^ { 2 }$ where time $t$ is measured in months. In how many months should they see a maximum revenue?

1. $0$ month

1. $1$ months

1. $3$ months

1. $5$ months

1. $6$ months

Since the equation given represents a derivative, solve: