The graph shows the average length (in inches) of a newborn baby over the course of its first 15 mon | MathCelebrity Forum

The graph shows the average length (in inches) of a newborn baby over the course of its first 15 mon

math_celebrity

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The graph shows the average length (in inches) of a newborn baby over the course of its first 15 months. Interpret the RATE OF CHANGE of the graph.

rate-of-change-wp.jpg


Looking at our graph, we have a straight line. For straight lines, rate of change equals slope.

Looking at a few points, we have:
(0, 20), (12, 30)

Using our slope calculator for these 2 points, we get a slope (rate of change) of:
5/6
 
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