Mathematics, 11.07.2021 20:50, josephvaldez518

COSTO DE ENERGÍA ELÉCTRICA En mayo del 2019, la compañía C&E entregaba electricidad a las residencias por un cargo mensual de $323.4 más 539.4 por kilowatt -hora (kwh) por los primeros 400 kwh usados en el mes y $657.7 por Kwh por todo consumo mayor que 400 kwh en el mes.
A) ¿Cuál es el cargo por un consumo de 300 Kwh en el mes.
B) ¿cuál es el cargo por un consumo de 700 kwh en un mes?
C) Sí c es el cargo mensual por x kwh, exprese C cómo función de X.

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COSTO DE ENERGÍA ELÉCTRICA En mayo del 2019, la compañía C&E entregaba electricidad a las resid...