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00:0The grade of a hill is its steepness represented as a percent. Jin tracks his walking speed up different hills. What does the rate of change or slope,represent in this situation

000The grade of a hill is its steepness represented as a percent Jin tracks his walking speed up different hills What does the rate of change or sloperepresent class=

Respuesta :

we know that

the slope is the ratio of change in the y-axis, divided by the change in the x-axis

so

In this problem

represent the ratio between the walking speed and the percentage grade of hill

therefore

The slope represent the decrease in speed for each 1% grade decrease

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