Answer:
(9 , -2)
Step-by-step explanation:
vertex of quadratic function: y = a(x – h)² + k, vertex (h, k)
f(x)= 3x²-54x+241
= 3 (x²- 18x + 9²) - 2
= 3 (x - 9)² - 2
h = 9, k = -2
