carlycall3729
carlycall3729
08-10-2018
Mathematics
contestada
f(x)=3-x^2 in difference quotient
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nap14hockey
nap14hockey
08-10-2018
The difference quotient is [tex]\frac{ f(x+h) - f(x)}{h}[/tex]
So
[tex]\frac{3-(x+h)^2-(3-x^2)}{h}\\\\\frac{3-x^2-2xh-h^2 - 3 + x^2}{h}\\ \\\frac{-(h^2+2xh)}{h}\\ -h-2x[/tex]
-h-2x is the difference quotient.
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