Identify Proportional Relationships Practice Test

A plant grows $1$ cm the first week and $2$ cm the second week.

A taxi charges $\$4$ to start the ride plus $$2$ per mile.

A candle is already $3$ cm tall when you start measuring, and it burns $2$ cm each hour.

A store sells notebooks for $\$5$ each, so the total cost is $5$ times the number of notebooks.