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posted by Jenn on Tuesday, March 19, 2013 at 1:24pm.
Determine the quadratic function of f whose vertex is (2,-1) and passes through (3,1) f(x)=
from the vertex, we know that y = a(x-2)^2 - 1 since y(3) = 1, 1 = a(3-2)^2-1 1 = a-1 a = 2 y = 2(x-2)^2 - 1
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