SOLUTION: what is the average rate of change of f(x)= -2/x^2 from x=1 to x=2?

SOLUTION: what is the average rate of change of f(x)= -2/x^2 from x=1 to x=2?

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Question 1135658: what is the average rate of change of f(x)= -2/x^2 from x=1 to x=2?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
what is the average rate of change of from to ?
All you need to find is :

then:

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