Question

dada a função f(x)=3x-1 e g(x)=4x+2, determine : f(1)+g(2)

Answer 1

f(-1) = 3 (-1) - 2
f(-1) = -3 - 2 = - 5

se g(x) = 2x + 1
g(2) = 2 (2) + 1
g(2) = 4 + 1
g(2) = 5

f(-1) + g(2) = - 5 + 5 = 0

resposta C) 0