rjanny52
rjanny52
20-01-2017
Mathematics
contestada
if f(x)=3x^2-4x-5, find (f(x+h)-f(x))/h
Respuesta :
bcalle
bcalle
20-01-2017
3(x^2 +2xh + h^2) -4(x + h) -5
(3x^2 + 6xh + 3h^2 -4x -4h -5 - ( 3x^2 -4x -5))/h
(6xh + 3h^2 -4h)/h
h(6x +3h - 4)/h
6x + 3h -4
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