Below are a quadratic function in vertex form, transform them into a standard form of quadratic equation. 1. F(x) = (x+3)^2-5
2. f (x)=3 (x-2)^2+4
3. f (x)= -2 (3x-1)^2

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step-by-step explanation:

if x = 1, then the answer is 3.5