Respuesta :

f(n) = 3n-1

g(n) = 2n + 4

(fog)(-2), multiply each function, and replace n by -2.

(fog)(-2) = ( 3(-2)-1 ) x (2(-2) + 4)

(fog)(-2)= (-6-1) x (-4+4)

(fog)(-2) = -7 x 0

(fog)(-2)= 0

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