The length of a rectangle is 5 inches more than the width. The perimeter is 70 inches. Find the length
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Answer:
The function is represented by .
Step-by-step explanation:
In this case, we must observe that total cost of the dog () is the sum of two components: i) <em>Fixed cost</em> (
) - Adoption fee, ii) <em>Variable cost</em> (
) - Daily cost of feeding the dog, both measured in US dollars.
In addition, we suppose that variable cost is directly proportional to the number of days that Kirstin owns her dog. That is:
Where:
- Number of days that Kirstin owns her dog, measured in days.
- Daily feeding costs, measured in US dollars per day.
If , then:
The function is represented by .