Which scenario can be modeled by the graph below? 1. The number of pound of oranges, y, minus three times the number of pounds of apples, x, is at most six.
2. The number of pound of oranges, y, minus half the number of pounds of apples, x, is at most six.
3. The number of pound of oranges, y, plus three times the number of pounds of apples, x, is at most six.
4. The number of pound of oranges, y, plus half the number of pounds of apples, x, is at most six.