Question

Dada à função f(x) = 2x - 1 . Determinar: f(0), f(1), f(-2) e f(1/2). Agora assinale a alternativa CORRETA
-1, -1, - 3, 1
1, -1, -5, 0
-1, 1, -5, 0
1, -1, -3, 1

Answer 1

Resposta:

f(x) = 2x - 1

f(0) = 2.0 - 1 = -1

f(1) = 2.1 - 1 = 1

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

f(1/2) = 2.1/2 - 1 = 0