Answer:
Answer (A)
Explanation:
If the expression is indeed
with x representing the number of minutes after the first minute, then the first term, namely:

represents the 14 members handing out 22 fliers per additional minute. And the second term, namely:

represents the number of fliers handed out in the first minute, which can be written as 350=14 x 25, so handed out by 14 members, 25 fliers each.
The above said is reflected in the wording of answer (A)