sambofloyd16 sambofloyd16

16-08-2018
Mathematics

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Find the range of (f+g)(x) when f(x) = (x+4)^2 and g(x) = 3

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16-08-2018

[tex] (f+g)(x)=f(x)+g(x)\\\\f(x)=(x+4)^2;\ g(x)=3\\\\(f+g)(x)=(x+4)^2+3=(x)^2+2(x)(4)+4^2+3\\\\=x^2+8x+16+3=x^2+8x+19\\\\Used:\\\\(a+b)^2=a^2+2ab+b^2 [/tex]

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