If –3 + i is a root of the polynomial function f(x), which of the following must also be a root of f(x)? –3 – i –3i 3 – i 3i
2 answers:
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You have to check which of the following expressions is the rational exponent expression of third root of 4n, or mathematically, Consider all cases:
A.
B.
C. quantity of 4n to the one third power is (by the definition of rational power).
D. 4 times n to the one third power is
Answer: correct choice is C.