Acareer-placement test eliminates a profession when a person receives a score of 18 or less. if the score is calculated using the formula of the difference between double the number of items with a positive response and three times the number of items with a negative response, which graph represents the combination of response types that are possible for a profession to be eliminated?

on a coordinate plane, a dashed straight line has a positive slope and goes through (0, negative 6) and (9, 0). everything to the right of the line is shaded.
on a coordinate plane, a dashed straight line has a positive slope and goes through (0, negative 6) and (9, 0). everything to the left of the line is shaded.
on a coordinate plane, a solid straight line has a positive slope and goes through (0, negative 6) and (9, 0). everything to the right of the line is shaded.
on a coordinate plane, a solid straight line has a positive slope and goes through (0, negative 6) and (9, 0). everything to the left of the line is shaded.