The graph shows the altitude of a car as a driver descends down a mountain.
1 answer:
The rate of change represented by the graph is that the car drives down the mountain at a rate of 250 feets per hour.
The rate of change also called the gradient or slope is obtained using the relation :
Rate of change = change in y / change in x
Change in y = (y2 - y1)
Change in x = (x2 - x1)
From the graph :
y2 = 1500 ; y1 = 0
y2 = 1500 ; y1 = 0x2 = 6 ; x1 = 0
Hence,
Rate of change = (1500 - 0) / (6 - 0) = 1500 / 6 = 250
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