Thursday, March 12, 2015

Find the integral of f'(x) = 3x^2 - 6x + 3 given that f(0) = -4

Given the derivative, f;(x) = 3x^2 - 6x +
3  


Also, given f(0) = -4.


We need to
determine the function f(x).


We know
that:


f(x) = integral f'(x) :


Then, let
us integrate f'(x)"


==> f(x) = intg
f'(x)


                = intg ( 3x^2 - 6x + 3)
dx


                = 3x^3/3 - 6x^2/ 2 + 3x +
C


==> f(x) = x^3 - 3x^2 + 3x +
C


But given that f(0) = -4


==>
f(0) = 0 - 3*0 + 3*0 + C = -4


==> C =
-4


==> f(x) = x^3 - 3x^2 + 3x -
4

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