Which explains whether or not the graph represents a direct variation? 5
4
3
2
54 -3 -2 -14 1
2 3 4
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EI
O The graph has a constant of variation of 3, so it represents a direct variation.
O The graph has a slope of 3, so it represents a direct variation.
O The graph has a positive slope, so it does not represent a direct variation.
O The graph does not begin at the origin, so it does not represent a direct variation.