Rhi4n0dCarezmNoell Rhi4n0dCarezmNoell

05-09-2016
Mathematics

contestada

Let f(x) = 4x + 2 and g(x) = -3x - 6. Find (f o g)(5).

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crisforp crisforp

05-09-2016

g(5) = (-3)x5 - 6 ;
Then, g(5) = -15 - 6;
g(5) = -21;

(f o g)(5) = f(g(5)) = f(-21) = 4x(-21) + 2 = -84 + 2 = -82.

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