Given:
Polynomial 
To find:
The values of x.
Solution:

Quadratic equation formula:

Here
.
Substitute the values in the formula, we get




Option E and option F are the roots of the polynomial.
The values of x are
.
You can expect 76 students in 2018 because from 2014 to 2015 it went up 6, then 8, then 10 so it would increase 12 students from 2017 to 2018
Answer:
The answer will be A.
Step-by-step explanation:
I'm for sure know that it is function is linear but i would wait for others to answer also