2. Which of the following is a quadratic function? O f(x) = 2x + 5
O f(x) = 22
O f() = 0x2 + 3x – 6
Of(x) = 3 - 422

The quadratic function is C because assuming that it is 0x^2, it is written out in standard form and the X has a power to the highest degree of 2

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