You are given the function 
Express t:

This expression gives the month t in terms of the price p.
Answer:
The average acceleration of train is 
Step-by-step explanation:
We have,
A train that slows down from 15 m/s to 8.6 m/s in 1.2 s. It means that 15 m/s is its initial velocity and 8.6 m/s is its final velocity.
It is required to find the average acceleration of the train.

The average acceleration of train is
. Negative signs shows that the train is decelerating.
Answer:
when 0 on the bottom is zero
Step-by-step explanation:
that mean there would be no whole nor a proper quotient