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How do you do number 2
asked
Mar 8, 2017
Mathematics
high-school
1
answer
1
vote
103k
views
Derive the equation of the parabola with a focus at (0, 1) and a directrix of y = −1. f(x) = −one fourth x² f(x) = one fourth x² f(x) = −4x² f(x) = 4x²
asked
Jan 26, 2017
Mathematics
high-school
2
answers
4
votes
2.0k
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