5. Multi-Step Problem You are choosing
between two electricity providers. The Zap
Electric C...
Mathematics, 15.12.2021 15:10 tressasill
5. Multi-Step Problem You are choosing
between two electricity providers. The Zap
Electric Company charges $0.06 per kilowatt
hour plus a $6.55 monthly service fee. The
Bolt Electric Company charges $0.12 per
kilowatt hour plus a $2.83 monthly service
fee.
a. Let x represent the number of kilowatt
hours you use in one month, and let y
represent the total cost of your electric
service. Write the two equations represent-
ing the cost of each company's service for
one month.
b. Graph the two equations from part (a) on
the same graph.
c. Estimate the coordinates of the point where
the two graphs intersect.
d. Critical Thinking Explain which compa-
ny to choose if you want to keep your cost
at a minimum and you use an average of
82 kilowatt hours per month.
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