Question

There is a proportional relationship between minutes and dollars per minute shown on a graph of printing expenses. The graph passes through the point at (1, 4.75). What is the slope of the graph? What is the unit rate? Explain.

Answer 1

The slope of the graph will correspond to the unit rate.
The unit rate is the amount it cost for one minute.
From the graph at x = 1, the rate is $4.75.