ememiiiig ememiiiig

02-09-2016
Mathematics

contestada

If f(x)2-2x and g(x)=6x+4, for which value of x does (f+g)(x)=0

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dalendrk dalendrk

02-09-2016

f(x) = 2 - 2x; g(x) = 6x + 4

(f + g)(x) = f(x) + g(x)

(f + g)(x) = (2 - 2x) + (6x + 4) = 2 - 2x + 6x + 4 = (-2x + 6x) + (2 + 4) = 4x + 6

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