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12.02.2020 •
Mathematics
An electric utility company determines the monthly bill for a residential customer by adding an energy charge of 7.32 cents per kilowatt-hour to its base charge of $17.32 per month. Write an equation for the monthly charge y in terms of x, the number of kilowatt-hours used. (Let y be measured in dollars.)
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Ответ:
Step-by-step explanation:
The equation for the monthly charge has the following format
In which y(x) is the cost in function of the number of kilowatt-hours used(x), a is the price of each killowatt hour and b is the fixed(base) charge.
Base charge of $17.32 per month.
This means that![b = 17.32](/tpl/images/0509/1279/0db79.png)
charge of 7.32 cents per kilowatt-hour
Our answer is in dollars. Each dollar is 100 cents. So 7.32 cents is![a = 0.0732](/tpl/images/0509/1279/e3ffc.png)
Write an equation for the monthly charge y in terms of x, the number of kilowatt-hours used.
Ответ:
O(-2,1) and (3, -2)
O (0, 2) and (5, 5)
Hey mate hope its help you