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:y =$400 + 120x. If a trip took 4 days, the predicted cost of the trip is?

a.524

b.880

c.1080

d.480

e.2080

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