makemisteaks15 makemisteaks15

13-08-2014
Mathematics

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Find f × g × h if f(x)=√x-1, g(x)=x^2 +2, and h(x)=x+3.

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konrad509 konrad509

13-08-2014

[tex]f(x)\cdot g(x)\cdot h(x)=\sqrt{x-1}\cdot(x^2+2)(x+3)=\\ =(x^3+3x^2+3x^3+9)\sqrt{x-1}=(4x^3+3x^2+9)\sqrt{x-1}[/tex]

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