The rate of change is $4/hour given from the data shown in the graph of the length of time a bicycle rented related to the rental cost. This can be obtained by taking points from the graph and calculating the rate of change using the formula.
Calculate the rate of change:
Let us take two points (2, 8) and (3,12).
Rate of change = change in y / change in x
= 12 - 8 / 3 - 2
= 4 / 1
= 4
The rate of change will be 4.
Hence the rate of change is $4/hour given from the data shown in the graph of the length of time a bicycle rented related to the rental cost.
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