i don’t understand how do i find these answers !? i hate math .

Answer:
Choice A: y = 3x + 2
Step-by-step explanation:
Given
y = -1/3x +4
Reciprocate and switch sign
-1/3
-3/1
3/1
Simplify
3/1 = 3
m = 3
Answer
The only answer choice with the slope of 3 is choice A, therefore that would be the answer.