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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