Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

12+12+12 =36
but
10+12+14=36
10 could be the smallest consecutive even number
X/9 - 15
X divided ( / ) by 9 minus ( - ) 9
Step-by-step explanation:
Given F(x) is 5 10 8 5 7 14 where x is - 1 0 1 2 3 9,
the value of F(2) is 202,478