Answer:
You have a maximum when the parabola opens down (-x^2), and a minimum when it opens up (+x^2). In your case, it opens down because of the -. That is the special notation, the vertex of the parabola is already there.
110
Step-by-step explanation:
180 - 36? I dont exactly remember how to do this
Sorry if its not right
-4.03846153846
done
f( - 2) = 23