f(x) is a polynomial function of degree 4 whose coefficients are real numbers; two of its zeros

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f(x) is a polynomial function of degree 4 whose coefficients are real numbers; two of its zeros are -3 and 4 - i. Explain why one of the remaining zeros must be a real number. Write down one of the missing zeros.

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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