Use the image to answer the question.



A graph with x and y axes shows four curves labeled A, B, C, and D. Curve A has a step-like structure initiating at the origin, increasing steadily, tapering to a point, and again increasing. Curve B begins at the origin and is an increasing concave down curve. Curve C is a straight line with a unit slope. Curve D is a straight line that initiates at a point on the y-axis and then increases steadily.
Identify the proportional relationship from the graph.

(1 point)
Responses

Graph B
Graph B

Graph A
Graph A

Graph C
Graph C

Graph D
Graph D
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The proportional relationship from the graph is Graph D.

The proportional relationship from the graph is Graph C, which is a straight line with a unit slope.

To identify the proportional relationship from the graph, we need to look for a straight line passing through the origin. In this case, we can see that curve C is a straight line with a unit slope (increase of 1 for every increase of 1 on the x-axis). Therefore, the correct answer is Graph C, which represents a proportional relationship.