Which of the following is the quadratic parent function?

A. F(x)=x^2

Step-by-step explanation:

Quadratic function is the function which has degree two

Degree is the highest power of a polynomial

In option B we have |x| in which degree is one hence, discarded

In option C we have  in which degree is three hence, discarded

In option D we have x which is a linear function being of degree one. Hence, discarded.

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step-by-step explanation: