The graph shows the axis of symmetry for a quadratic function f(x).

which could be the function?
f(x) = (x + 4)2
f(x) = x2 + 4
f(x) = (x – 4)2
f(x) = x2 – 4

f(x) = (x-4)^2

Explanation:

Did it on a graphing calculator

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