erica27 erica27

13-09-2016
Mathematics

contestada

f(x)=5-x. g(x)=x^2-25

(f+g)(x)

Respuesta :

dalendrk dalendrk

13-09-2016

f(x) = 5 - x

g(x) = x² - 25

(f + g)(x) = (5 - x) + (x² - 25) = 5 - x + x² - 25 = x² - x - 20

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