Mathematics, 15.06.2021 04:10, andy6128

One root of a third degree polynomial function f(x) is -5 + 21. Which statement describes the number and nature of all roots for this function? •f(x) has two real roots and one imaginary root.
•f(x) has two imaginary roots and one real root.
•f(x) has three imaginary roots.
•f(x) has three real roots.

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One root of a third degree polynomial function f(x) is -5 + 21. Which statement describes the number...