I'm not sure about my answer but it might be 45%.
You might want to check with somebody else just in case it is wrong.
Hoped this helped you today. ;)
Answer:
B
Step-by-step explanation:
Your line goes from 6 to -1 by x left and then from -1 to 3. Its impossible as function cannot have more than 1 y value per x value. So lools like its b. Hope this helps) Have a nice day)
assuming 
Then the column values for base five here are
5³ 5²

We can get 1 × 5³ = 125 → 219 - 125 = 94
We can get 3 × 5² = 75 → 94 - 75 = 19
We can get 3 x
→ 19 - 15 = 4
and 4 = 4 × 
Thus
= 
As a check
(1 × 125 ) + (3 × 25 ) + (3 × 5 ) + 4 = 219
(7x+12) is the answer to the question