Concept explainers
To compare: the rate of change.
Answer to Problem 30SR
The rate of change of pears is
The rate of change of oranges is
Explanation of Solution
Given: Consider the table showing the cost of pears and oranges.
Calculation:
The objective is to compare the rate of change.
For pears, consider two pairs of points, say
Now,
Therefore the rate of change of pears is
For oranges, consider two pairs of points, say
Now,
Therefore the rate of change of oranges is
Conclusion:
The rate of change of pears is
The rate of change of oranges is
Chapter 8 Solutions
Pre-Algebra Student Edition
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