Posted by zach w on Wednesday, November 14, 2012 at 3:31pm.
determine the qudratic function whose vertex is (2,4) and passes through
(3,1)
fx=

cllege algebra  Reiny, Wednesday, November 14, 2012 at 4:16pm
since we know the vertex, let it be
y = a(x2)^2  4
but (3,1) lies on it
1 = a(1)  4
a = 3
y = 3(x2)^2  4

cllege algebra  zach w, Wednesday, November 14, 2012 at 9:31pm
new question using the square to descibe the graph of fx= 8 16xx^2
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