Answer:
x^4-9x^3+39x^2-225x+350
Step-by-step explanation:
The simplest polynomial you can get with that roots are (x-5i)(x+5i)(x-2)(x-7)=x^4-9x^3+39x^2-225x+350
4. proportional
5. proportional
6. I don't know what functions are
7. It has a straight line and distance is proportional to time.
The third integer is 86, hope this helps :)