Nasdude6718 Nasdude6718 27-05-2023 Mathematics contestada Question 6 Determine the extreme point (x*, y*) and its nature of the following function: z = 3x² - xy + y² + 5x + 3y + 18 23 (-13, -2), Minimum 19 49 4), Maximum 19 19 (-1,-¹), Maximum (-10-13839)