a.
To find: a function rule for the total cost for n days of boarding plus bath. And how much does 10 days stay cost.
a.
Answer to Problem 2P
The rule is
The costs to stay a dog are $162 for 10 days.
Explanation of Solution
Given information:
A kennel charges $15 per day to board dogs. And each dog has a flea bath that costs $12.
Multiply the kennel charges and cost for n days of boarding,
And each dog has flea bath then add $12 with
This is the required function rule.
Now find the costs of a 10 days stay, substitute 10 for n in calculated rule.
Therefore the costs to stay a dog are $162 for 10 days.
b.
To Explain: A 5-days stay cost as much as a 10-day stay
b.
Answer to Problem 2P
The 5-day cost is not half as much as 10 day cost.
Explanation of Solution
Given information:
A kennel charges $15 per day to board dogs. And each dog has a flea bath that costs $12.
In the part (a) the value of costs to stay a dog are $162 for 10 days.
And the value of costs to stay a dog for 5 days is,
Therefore when compare with 10 days; find half the value of 10 days,
Which are not equal to 5 days cost, therefore a 5-day cost is not half as much as 10 day cost.
Chapter 4 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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