Calculus

Determine all critical points for the function. f ( x ) = x2 + 6x+9 O A ) X = 0 O B) x = 3 O C) x = -3 OD ) X = - 6 Question 10 (1 point) Determine all critical points for the function. f ( x ) = 6x O A x = 2 B) x = 0 and x = 2 O C) x = - 2 ( D) x = -12 and x = 0