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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
12 Nov 2021

Given information

The base rate of the electricity per month is , the cost of first  uses cost cents/kWh and cents/kWh for all usage over .

Step-by-step explanation

Step 1.

The function of the given data is,

   

 

Thus, the function of the amount of electricity used is

 

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