For this case we have the following function:
A (t) = P * exp (r * t)
Substituting values we have:
A (3) = 300 * exp (0.09 * 3)
A (3) = 392.9893352
Rounding off we have:
A (3) = 392.99
Answer:
The answer for this case is given by:
A (3) = 392.99
option D