Concept explainers
(a)
To make: a function table showing the input and the output.
(a)
Answer to Problem 10PPS
Number of months | Number of games sold |
Input m | Output g |
1 | 180 |
2 | 165 |
3 | 150 |
4 | 135 |
5 | 120 |
6 | 105 |
Explanation of Solution
Given:
Calculation:
Let number of games = g
Number of months = m
The completed function table is shown below:
Number of months | Number of games sold |
Input m | Output g |
1 | 180 |
2 | 165 |
3 | 150 |
4 | 135 |
5 | 120 |
6 | 105 |
Conclusion:
Therefore, a function table is drawn.
(b)
To write: an algebraic equation to find the number of games sold
(b)
Answer to Problem 10PPS
Algebraic expression is
Explanation of Solution
Given:
Calculation:
Algebraic expression:
Slope
Slope
Conclusion: Hence, algebraic expression is
(c)
To find: whether the set of ordered pairs is a function or not
(c)
Answer to Problem 10PPS
The relation is a function.
Explanation of Solution
Calculation:
The ordered pairs are
As each member of domain is paired with exactly one member of range.
Conclusion: Hence, the relation is a function.
Chapter 1 Solutions
Pre-Algebra Student Edition
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