Mathematics, 24.09.2021 14:00, CobyHageman
PSEG Long Island charges its residential customers a little monthly service charge plus an energy charge based on the amount of electric
used. The monthly cost of electricity is approximated by the function:
C = f(h) = 37.60+ 0.10h,
where h represents the number of kilowatt hours (kWh) of electricity used in excess of 250 kWh.
(b) Find f (90) and interpret its meaning.
f(90) =
Answers: 3
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