Mathematics, 18.11.2019 08:31 aryal191
An electrician uses the function f(x) = 60 + 40x to calculate the total cost, in dollars, for a service call that takes x hours to complete. what does the coefficient 40 represent?
a) the electrician works 40 hours.
b) the electrician charges $40 per hour.
c) the electrician drives 40 miles to work.
d) the electrician charges a $40 trip charge.
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