Question

Dada as funções f(x) = 3x – 5 e g(x) = -2x + 5. O valor de g(f(2)) é:

Answer 1

f(2) = 3.(2) – 5 → f(2) = 6 – 5 → f(2) = 1

g(f(2)) = -2.(f(2)) + 5 → g(f(2)) = -2.(1) + 5 → g(f(2)) = -2 + 5 → g(f(2)) = 3

Resultado: 3