Final answer:
A line chart can be used to represent trends over time. Line graphs typically use one or more lines to show how a data point has changed over time. They are often used to show trends over a given period.
Step-by-step explanation:
A line chart can be used to represent trends over time. Line graphs typically use one or more lines to show how a data point has changed over time. They are often used to show trends over a given period. For example, a line chart could be used to show how the average temperature in a city has changed over the course of a year.