roylopez roylopez

16-06-2018
Mathematics

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h(x)=x^2+1, k(x)=x-2, (h+k)(2)=?

Respuesta :

16-06-2018

[tex]h(x)=x^2+1;\ k(x)=x-2\\\\(h+k)(x)=(x^2+1)+(x-2)=x^2+x-1\\\\(h+k)(2)=2^2+2-1=4+2-1=5[/tex]

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