5
QuizMultiple Choice

1-1.1 Mathematical Modeling

Question 5 • 2026-27 Mathematical Models with Applications

Solve the problem.Williamston Daily is a new daily newspaper. When they first started printing three years ago they had 5600 home delivery subscribers. The number of subscribers increases by 71 every month. Write a linear model that represents the number of subscribers, B, for the number of months, n, the paper has been printed.

Answer
A
B = 71n + 5600
B
B = 71n + 3
C
B = 213n + 5600
D
B = 5600n + 71

Explanation

A linear model has the form B = (monthly increase)n + (starting number of subscribers). The paper started with 5,600 subscribers and gains 71 each month, so B = 71n + 5600. This is choice A; the three years do not change the starting value when n counts months since printing began.

AI-written and checked against the verified answer.

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