Concept explainers
For each table, determine whether the relationship is a function. Then represent the relationship using words, an equation, and a graph.
To find: The relationship in words and in the equation that express the relationship between distance and time then graph the equation.
Answer to Problem 5P
The equation that express the relationship between distance and time is
Explanation of Solution
Given information:
The relationship between teacher and students is shown in Table 1.
teachers | 1 | 2 | 3 | 4 | 5 |
students | 17 | 34 | 51 | 68 | 85 |
Table 1
From Table 1, it can be seen that
It means after every
The relationship can be expressed in words as distance is 55 times of the elapsed time.
Assume
The equation can be mathematically expressed as follows:
Now, the graph of the function
Interpretation:
It can be seen that the graph is the linear and increasing graph.
Conclusion:
The equation is
Chapter 4 Solutions
High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
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