Answer:5/12 (Decimal: 0.416667)
Step-by-step explanation:
6 minivans are needed to take (i think I'm real bad at math)
Given:

To find:
The correct function.
Explanation:
Let us consider the function given in option D.

Differentiating with respect to x we get,

Substituting x = 2 in the function f(x), we get

Therefore, the given conditions are satisfied.
So, the function is,

Final answer: Option D
I would say go with with B