Use the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = x3 + 2x2 - 9x - 18
A. -2; f(x) = (x + 2)(x2 + x - 9)
B. -3, -2, 3; f(x) = (x + 3)(x + 2)(x - 3)
C. -3; f(x) = (x + 3)(x2 - x - 6)
D. -3, 2, 3; f(x) = (x + 3)(x - 2)(x - 3)
Answer: B
Mathematics
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