Respuesta :

altavistard

Answer:

(5, 2)

Step-by-step explanation:

Use the formula x = -b/2a to find the x-coordinate of the vertex:

x = -(-30) / [2(3)] = 30/6 = 5.

Evaluating the given function at x = 5, we get y = 2.

Thus, the vertex is at (5, 2).