Concept explainers
The average rate of change in the cost.
Answer to Problem 31SGR
The average rate of change through the given points is
Explanation of Solution
Given information:
The average cost of online photos decreased from $0.50 per print to $0.27 per print between 2002 and 2007.The pair of points are
Concept Used:
The slope of a line connecting the points
Calculation:
In order to find the average rate of change the points
Thus, the average rate of change through the given points is
It means the rate of change in the cost of per photos is
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