Write a cost function for the problem. Assume that the relationship is linear. 5) A cab company charges a base rate of $1.50 plus 15 cents per minute. Let C(x) be the cost in dollars of using the cab for x minutes.
Write a cost function for the problem. Assume that the relationship is linear. 5) A cab company charges a base rate of $1.50 plus 15 cents per minute. Let C(x) be the cost in dollars of using the cab for x minutes.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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![**Writing a Cost Function for a Cab Service**
To create a cost function for this problem, let's assume that the relationship is linear.
**Scenario:**
A cab company charges a base rate of $1.50, plus an additional 15 cents per minute. Let \( C(x) \) represent the total cost in dollars for using the cab for \( x \) minutes.
**Steps to Formulate the Cost Function:**
1. **Identify the Base Charge:**
- The initial flat fee is $1.50.
2. **Determine the Variable Charge:**
- There is an additional charge of 15 cents per minute, which is expressed as $0.15 per minute.
3. **Create the Cost Function:**
- The total cost \( C(x) \) can be written as the sum of the base charge and the product of the per-minute charge multiplied by the number of minutes:
\[
C(x) = 1.50 + 0.15x
\]
**Explanation:**
- The term \( 1.50 \) represents the fixed starting cost.
- The term \( 0.15x \) accounts for the cost that accumulates over time, where \( x \) is the number of minutes.
This formula provides a clear mathematical model to determine the total fare for any duration of use.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff73336ba-b7a2-41c3-9bb8-e711f85d25de%2Fd79a6396-901f-4cf6-a133-9b2838ccc046%2Futt930e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Writing a Cost Function for a Cab Service**
To create a cost function for this problem, let's assume that the relationship is linear.
**Scenario:**
A cab company charges a base rate of $1.50, plus an additional 15 cents per minute. Let \( C(x) \) represent the total cost in dollars for using the cab for \( x \) minutes.
**Steps to Formulate the Cost Function:**
1. **Identify the Base Charge:**
- The initial flat fee is $1.50.
2. **Determine the Variable Charge:**
- There is an additional charge of 15 cents per minute, which is expressed as $0.15 per minute.
3. **Create the Cost Function:**
- The total cost \( C(x) \) can be written as the sum of the base charge and the product of the per-minute charge multiplied by the number of minutes:
\[
C(x) = 1.50 + 0.15x
\]
**Explanation:**
- The term \( 1.50 \) represents the fixed starting cost.
- The term \( 0.15x \) accounts for the cost that accumulates over time, where \( x \) is the number of minutes.
This formula provides a clear mathematical model to determine the total fare for any duration of use.
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