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Mathematics, 20.03.2021 09:30, willcohen42
An electric company calculates a person's monthly bill from the number of
kilowatt-hours (kWh), x, used.
The function
b(c)
{
0.102,
X is greater than or equal to 200
0.15(x β 200) + 20, 2 > 200
determines the
bill.
How much is the bill for a person who uses 400 kWh in a month?
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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An electric company calculates a person's monthly bill from the number of
kilowatt-hours (kWh), x,...
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