To determine the constant of proportionality (unit rate), we need to look at the relationship between the two variables in the graph. The constant of proportionality is defined as the ratio of the output (y-value) to the input (x-value) for a proportional relationship.
For example, if for every 1 unit increase in x, the y value increases by 5 units, then the constant of proportionality would be 5. Conversely, if it increases by 1/5 for every unit increase in x, the constant would be 1/5.
Without seeing the actual graph and its data points, I can't provide the exact answer. Please look for a clear linear relationship on the graph, identify a pair of coordinates (x, y), and then compute the ratio y/x to find the constant of proportionality. If you can provide more information or specific points from the graph, I can help further!
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