Concept explainers
(a)
To find: the rent of the truck to drive 40 miles
(a)
Answer to Problem 37AYU
The cost of renting a moving truck to drive 40 miles is
Explanation of Solution
Given:
Calculation:
To find the rent of the truck to drive 40 miles, find
Substitute 40 for x in
Conclusion:
Therefore, the cost of renting a moving truck to drive 40 miles is
(b)
To find: the distance he drivesif the cost of renting the moving truck is
(b)
Answer to Problem 37AYU
180 miles can be driven by paying $80 as the rent.
Explanation of Solution
Calculation:
Substitute
Subtract 35 from both the sides.
Swap the sides of the equation.
Divide both the sides by 0.25.
Conclusion:
Therefore, 180 miles can be driven by paying $80 as the rent.
(c)
To find: The maximum number of miles that can be driven
(c)
Answer to Problem 37AYU
The maximum number of miles that can be driven by paying no more than $100 is 260 miles.
Explanation of Solution
Calculation:
Since the cost should not be more than
Subtract 35 from both sides of the inequality.
Divide both the sides by 0.25.
Conclusion:
Therefore, the maximum number of miles that can be driven by paying no more than $100 is 260 miles.
(d)
To describe: the implied domain of C .
(d)
Answer to Problem 37AYU
The implied domain of C is
Explanation of Solution
Calculation:
Conclusion:
Therefore, the implied domain of C is
Chapter 3 Solutions
Precalculus
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