What is the equation of the line passing through (1,2)(1, 2)(1,2) and (3,6)(3, 6)(3,6)?
y=2xy = 2xy=2x
y=x+1y = x + 1y=x+1
y=2x+1y = 2x + 1y=2x+1
y=3x−1y = 3x - 1y=3x−1