Respuesta :

oscar236

Answer:

The vertex is at  (1, 1).

Step-by-step explanation:

f(x) = 2x^2 + 4x + 3

f(x) = 2(x^2 + 2x) + 3

Completing the square:

f(x) = 2[ (x + 1)^2 - 1] + 3

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

f(x) = 2(x + 1)^2 + 1  which is vertex form.

The vertex is at  (1, 1).