Mathematics, 16.12.2020 05:50 myjavier

The cost of washing your car at Wash Tub can be modeled by the function f(x) = 19.50 +3.25(x - 4), where x represents the number of times
the car is washed. What is the rate of change of the cost in dollars with
respect to the number of times the car is washed? * Write only the
number (decimal) *

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