Question: A manager wants to predict the cost ( y ) of travel for salespeople based on the number of days ( x ) spent on
A manager wants to predict the cost (y) of travel for salespeople based on the number of days (x) spent on each sales trip. The following model has been developed: =$400 + 120x. If a trip took 3 days, the predicted cost of the trip is _____________.
523
1080
1560
360
760
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