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Concept explainers
To identify: The independent and dependent variables for each relation, used in the given graph.
![Check Mark](/static/check-mark.png)
Answer to Problem 56PPE
In given relation, independent variable is “ Number of dogs walked” and dependent variable is “Amount earned ( in dollars )”.
Explanation of Solution
Given information: Given relation as shown in the below graph under the topic, “Dog walking”
Concept used: In any graph, dependent variable is represented on vertical y axis and independent variable is represented on horizontal x axis.
Calculation: Values on x axis, represent number of dogs walked and the values of y axis, represent amount earned (in dollars) by walking these dogs. So, given graph shows that as the number of dog walked increase, the amount earned also increase simultaneously.
Conclusion: So, in above relation, independent variable is “Number of dogs walked.” and dependent variable will be, “total amount earned in dollars”.
Chapter 1 Solutions
High School Math 2011 Algebra 1 Student Companion Grade 8/9
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