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I dont understand it please help explain.

I dont understand it please help explain.-example-1

1 Answer

4 votes

Explanation:

From x = 19 to x = 21 is a distance of 2 units

y value at x= 19 is 75

y value at x = 21 is 150

so it changes: 150 - 75 = 75 in 2 units

75/2 is the average rate of change

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