Question

The graph of which function has an axis of symmetry at x = one-quarter?f(x) = 2x2 + x – 1f(x) = 2x2 – x + 1f(x) = x2 + 2x – 1f(x) = x2 – 2x + 1

Answer 1

Solution

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The final answer

Option B

$f(x)=2x^2-x+1$