Please a genius help me please

Answer:
D
Step-by-step explanation:
y=mx+b (line equation)
m=(y2-y1)/(x2-x1) (slope formula)
insert the coordonates
m=(6--6)/(1--3) find the slope
m=12/4m=3 after fiinding the slope you can substitute x and y and find b
y=3x+b
(1,6)
6=3*1+b
6=3+b
b=3
y=3x+3