Question 868294
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Hi
f(x)=a(x-h)^2+k   V(4,-3)
f(x) = a(x-4)^2 -3   Using (3,-1) to solve for a
-1 = a - 3
2 = a
f(x) = 2(x-4)^2 -3 
     = 2(x^2 - 8x + 16) - 3 
     = 2x^2 - 16x + 32 - 3
f(x) = 2x^2 - 16x + 29