step 1
Find out the slope
we need two points
looking at the table
we take
(1,3) and (2,4)
m=(4-3)/(2-1)
m=1/1
m=1
step 2
Find out the equation in slope-intercept form
y=mx+b
we have
m=1
point (1,3)
substitute and solve for b
3=(1)(1)+b
3=1+b
b=2
therefore
y=x+2
the answer is the last option
