An electric company charges $12.75 per month plus $0.49 per kilowatt-hour (kWh) for the first 200 kWh used per month and $0.34 per kWh for anything over 200 kWh used. a. How much is owed for using 130 kWh per month? b. How much is owed for using 250 kWh per month? c. Write a piecewise function, C(x), where C is the cost charged per month as a function of the monthly kilowatt-hours used, x. d. Sketch the piecewise function.
An electric company charges $12.75 per month plus $0.49 per kilowatt-hour (kWh) for the first 200 kWh used per month and $0.34 per kWh for anything over 200 kWh used. a. How much is owed for using 130 kWh per month? b. How much is owed for using 250 kWh per month? c. Write a piecewise function, C(x), where C is the cost charged per month as a function of the monthly kilowatt-hours used, x. d. Sketch the piecewise function.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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## Electric Company Charging Structure
An electric company charges $12.75 per month plus $0.49 per kilowatt-hour (kWh) for the first 200 kWh used per month and $0.34 per kWh for anything over 200 kWh used.
### Questions:
a. **How much is owed for using 130 kWh per month?**
C = $[_____]
*(Simplify your answer. Type an integer or a decimal.)*
b. **How much is owed for using 250 kWh per month?**
c. **Write a piecewise function, \( C(x) \), where \( C \) is the cost charged per month as a function of the monthly kilowatt-hours used, \( x \).**
d. **Sketch the piecewise function.**
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Transcribed Image Text:---
## Electric Company Charging Structure
An electric company charges $12.75 per month plus $0.49 per kilowatt-hour (kWh) for the first 200 kWh used per month and $0.34 per kWh for anything over 200 kWh used.
### Questions:
a. **How much is owed for using 130 kWh per month?**
C = $[_____]
*(Simplify your answer. Type an integer or a decimal.)*
b. **How much is owed for using 250 kWh per month?**
c. **Write a piecewise function, \( C(x) \), where \( C \) is the cost charged per month as a function of the monthly kilowatt-hours used, \( x \).**
d. **Sketch the piecewise function.**
---
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