erica27 erica27
  • 13-09-2016
  • Mathematics
contestada

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


(f+g)(x)

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dalendrk
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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