lin needs more than 9 ounces of butter to make cookies for her party. how many ounces of butter (x) would be enough?
1 answer:
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ANSWER
EXPLANATION
Since the parabola has the (0, 0) and the directrix at y=2.
The equation is of the form
where (h,k) is the vertex.
The vertex is half way between the directrix and the focus.
The vertex will be at (0,1)
and is the distance from the vertex to the focus which is 1.