A line graph like this one is most helpful for showing how trends change over time.
What is graph?
The link between lines and points is simply called a graph. It is a mathematical description of a network. A graph is performed up of points with lines connecting them.
It makes no difference how long the lines are or where the points are placed. A node is the name for each object in a graph.
There are many types of graphs, among them, the type of line graph is ideal for demonstrating how trends change over time.
Therefore, option C is correct.
Learn more about the line graph, refer to:
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