143thebrowns 143thebrowns

12-06-2022
Mathematics

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For the function f given by f(x)=2x-3, find and simplify the difference quotient f (x + h) − f (x) h

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loneguy loneguy

12-06-2022

[tex]\text{Given that,}~ f(x) = 2x-3\\\\\text{Now,}\\\\~~\dfrac{f(x+h)-f(x)}{h}\\\\\\=\dfrac{2(x+h) -3 - (2x-3)}{h}\\\\\\=\dfrac{2x+2h-3 -2x +3 }{h}\\\\\\=\dfrac{2h}{h}\\\\\\=2[/tex]

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