Question

Sendo g(x) = 5x + 1 e k(x) = 1 + 4x, calcule g(k(2)) +k(g(2)).

Answer 1

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g(x) = 5x + 1
k(x) = 4x + 1

k(2) = 4*2 + 1 = 9
g(9) = 5*9 + 1 = 46

g(2) = 5*2 + 1 = 11
k(11) = 4*11 + 1 = 45 

g(k(2)) + k(g(2)) = 46 + 45 = 91