Mathematics, 18.10.2021 21:20, gigipalacio32
Sanjay consulted three electricians about upgrading the wiring in his home. Each electrician uses a linear formula that incorporates a flat base fee and an hourly rate to determine the cost of service. Those formulas are shown in the table.
Repair Cost Formulas
Electrician
Cost in y dollars for an x-hour service
Electrician | Cost in y dollars for an x-hour service
1 | y = 25 x + 30
|
2 | y = 30 x + 25
|
3 | y = 25 x + 20
Which statement is best supported by the table?
A:Each electrician charges a different hourly rate.
B:Each electrician charges a different base fee.
C:All three electricians charge the same hourly rate.
D:All three electricians charge the same base fee.
Answers: 2
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Sanjay consulted three electricians about upgrading the wiring in his home. Each electrician uses a...
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