Find a rational zero of the polynomial function and use it to find all the zeros of the function.f(x) = x4 + 4x3 - 9x2 - 30x - 18

A. {-1, 4, -3 + , -3 - }
B. {-1, -3, -3 + , -3 - }
C. {-1, 3, -3 + , -3 - }
D. {1, -3, -3 + , -3 - }


Answer: C

Mathematics

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