clairemiazga clairemiazga
  • 13-01-2017
  • Mathematics
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F(x)=4x-3
G(x)=x^3+2x
Find (f-g)(x)

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reemii
reemii reemii
  • 13-01-2017
You gotta remember that [tex](f-g)(x)[/tex] means [tex]f(x) - g(x)[/tex].

So, in this case, f(x) is [4x - 3], g(x) is [x^3 + 2x].
So that : f(x)-g(x) = [4x-3] - [x^3+ 2x] = -x^3 + 4x - 2x - 3 = -x^3 + 2x - 3
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