Answer:

Step-by-step explanation:
The rate of change is the slope. The rate of change is the greatest for the slope with the greatest absolute value. In the graph, this is shown with the steepest inclination. That occurs from x = 4 to x = 6.
Answer:

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The answer is $4.85;$81.85<span> which is B. </span>
The sum of 3 and number a
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