y = i/2 xtnop + (3i/2 tnop+ 1)
the picture is the step by step explanation.
the slope of the line is 60
one point on the line is (40,10)
in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.
in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.
none of the option match the solution
so answer is option d