a.
To find: the linear inequality for
a.
Answer to Problem 8CFU
Explanation of Solution
Given information:
Let total cost of daily rental be
Charge per day ($) = 45
Charge per mile ($) = 0.40
Calculation:
Maximum charge per day ($) = 45+0. 04m
The inequality will be as follows:
b.
To graph: the given inequality.
b.
Answer to Problem 8CFU
Explanation of Solution
Given information:
Calculation:
Create a table by plugging the different values m in the line equation
-200 | -45 |
-100 | 0 |
0 | 45 |
100 | 90 |
200 | 135 |
300 | 180 |
Since the inequality has greater than or equal to sign
Put the test points
Test point | Inequality, | True/False test point |
True | ||
False |
Thus, the graph of this inequality is as follows:
c.
To find: the combinations satisfying the inequality.
c.
Answer to Problem 8CFU
Explanation of Solution
Given information:
Calculation:
Put the values for
Thus, the three combinations satisfying the inequality are
Chapter 1 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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