We have the following function:
A (t) = P * (1 + r / n) ^ (n * t)
Substituting values:
A (9) = 200 * (1 + 0.05 / 12) ^ (12 * 9)
Calculated:
A (9) = 313.3693299
Rounding off we have:
A (9) = 313.37
Answer:
The function for this case results in:
A (9) = 313.37
option A