Solve the Problem $$p ( t ) = 9270 e ^ { 0.004 t }$$

Multiple Choice

Solve the problem.
- $$p ( t ) = 9270 e ^ { 0.004 t }$$ , where t is the number of years. According to this formula, how many years will it take the population to double
Its year 0 value? Round to the nearest tenth of a year.

A) 173.3 yr
B) 346.6 yr
C) 130.0 yr
D) 86.7 yr