1. (2022 #40) 40. Which of the following can not be
modeled by a linear function?
A. The total cost of purchasing apples that cost 60 cents
each.
B. As 5-pound bricks are added to a cart, the total
weight increases.
C. The number of people registered on a website
doubles every month.
D. The total distance traveled by a turtle walking at a
constant speed increases over time.