trlaidler trlaidler

16-07-2016
Mathematics

contestada

solve (f + g)(3)
given f(x)= 6x+3 and g(x)= x-7

Respuesta :

olemakpadu olemakpadu

17-07-2016

f(x) = 6x + 3, g(x) = x - 7

(f + g)(3) = f(3) + g(3)

f(x) = 6x + 3

f(3) = 6*3 + 3 = 18 + 3 = 21

g(x) = x - 7

g(3) = 3 - 7 = - 4

(f + g)(3) = f(3) + g(3) = 21 + (-4) = 21 - 4 = 17

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