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Shido88

  • 3 years ago

Help plz!!! f(x)=x^2+x-4 and g(x)=x+3 find h(x)=(f o g)(x)

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  1. Shido88
    • 3 years ago
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    @Aylin

  2. marsss
    • 3 years ago
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    h(x)=(f o g)(x)=f[g(x)] f[g(x)]=[g(x)]^2+g(x)-4 f[g(x)]=(x+3)^2+x+3-4 f[g(x)]=x^2+6x+9+x+3-4 h(x)=f[g(x)]=x^2+7x+8 do you understand??

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