meaghan223 meaghan223

13-02-2017
Mathematics

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Find the difference quotient of f(x)=x^2-3; that is, find [f(x+h)-f(x)]/h, h =/= 0

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LammettHash LammettHash

13-02-2017

[tex]\dfrac{f(x+h)-f(x)}h=\dfrac{((x+h)^2-3)-(x^2-3)}h=\dfrac{x^2+2xh+h^2-3-x^2+3}h=\dfrac{2xh+h^2}h=2x+h[/tex]

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