State a function y(x) with constant slope which passes through the point ($x | $y).

y(x) = y(x):=RESPONSE[1]; hitspoint:is(abs(y(LONCAPALIST[1]) - LONCAPALIST[2]) <= 0.000000001); islinear:is(diff(y(x),x,2) = 0); hitspoint and islinear;