10
QuizMultiple Choice

Introduction to Linear Functions — Quiz

Question 10 • Algebra: Concepts and Connections

The final cost of a sale item is determined by multiplying the price on the tag by 75 percent Which best describes the function that represents the situation? Item Cost Price on the Tag, x Final Cost 10 dollars 0 point 75 repeating 10 20 dollars 0 point 75 repeating 20 30 dollars 0 point 75 repeating 30 40 dollars 0 point 75 repeating 40

Answer
A
It is nonlinear because the price tag and final cost columns do not have the same common difference.
B
It is linear because the ratio of the change in the final cost compared to the rate of change in the price tag is constant.
C
It is linear because the function is continuous.
D
It is nonlinear because the final cost is determined by multiplying each price tag by 0 point 75 .