EXERCISE 6 (PSAT – 20151028 Section 4, Q9) (Calculator permitted) f (x) = x2 + 4(x – 3) Which of the following is an equivalent form of the expression above that displays the zeros of the function as constants or coefficients in the expression? A) f(x) = x² + 4x – 12 B) f(x) = (x – 6)(x +2) C) f(x) = (x + 6)(x – 2) D) f(x) = (x +2)² – 16 -

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