Question

Determine g(f(x)). Sabendo que g(x)= 3.x – 2 e f(x) = 2.x + 1.

a) 6.x + 1

b)6.x + 3

c)6.x + 5

d)3.x + 3

e)6.x -2

Answer 1

g(x) = 3x-2
f(x) = 2x+1

g(f(x)) = 3.(2x+1) - 2
6x+3 - 2
6x+1

resposta a.