Answer:
8
Step-by-step explanation:
Answer:

Step-by-step explanation:
The given function is
.
When we compare to
, we have
and c=10
The equation of the axis of symmetry of a vertical parabola is:

Also from the question the axis of symmetry is x=6
We substitute the values to get:




543,356 and 543,456 so it is pretty simple right