please answer asap‼‼
The axis of symmetry for the graph of the function f(x) = 1/2 x2 + bx + bx + 10 is x=6. What is the value of b?
○-12
○-3
○1/2 (1 half)
○3 ​

Respuesta :

-12 you have to be in a cortex of the others so it would be a