A manager wishes to predict the annual cost (y)of an automobile based on the number of kilometres (x)driven.The following model was developed: y = 1,550 + .36x.If a car is driven 20,000 kilometres, the predicted cost is ___.
A)7,200
B)5,650
C)8,750
D)2,270
E)6,750

Question

Quizplus · Accepted Answer

If we substitute x = 20,000 into the model, we get:
y = 1,550 + .36(20,000)
y = 1,550 + 7,200
y = 8,750
Therefore, the predicted cost for a car driven 20,000 kilometers is $8,750.

A Manager Wishes to Predict the Annual Cost (Y)of an Automobile