Answer:
12%
Step-by-step explanation:
calculator
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Your equation

is in the form

The vertex only relies on "a" and "b" though, so that +9 doesn't really matter in this case. The vertex of a parabola is located where

So your x-coordinate is -1. You need to find f(-1) to find your y-coordinate, and then you list it in the form (-1, y).
It was reflected vertically then flipped
Answer:
I think is 11/90.
Step-by-step explanation: