The right answer is:
Step-by-step explanation:
The rate of change of a line is the steepness of the line or how close is the line to being vertical.
The more steeper the line of graph is, the more is the rate of change
The given graph has to be observed thoroughly, we can see that the graph has the most rate of change (i.e. the more close to being vertical) between 4 and 6
So,
The right answer is:
Keywords: Slope, rate of change
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