We assume that the function is as follows:

Then, we have that:

Thus, if we have that:

Therefore, the value for the function is f^-1(2) = -1/2 or
Answer:
3000
Step-by-step explanation:
.......... Follow the step above
Yes it should bring it up to a C or maybe it will be a 70 or 75
0.5 of a mile - since 5,280ft = 1 mile and half of 5,280 is 2,640