Respuesta :

Answer:

Step-by-step explanation:

im stuck

dhiab

Answer:

Step-by-step explanation:

y = - 4x²-24x-36

y =  - 4 (x² +6x+9)

y = - 4(x + 3)²

 the maximum value of the function y = -4x²-24x-36 is : 0  when  x = -3