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Use the information in the table to answer each question.IntervalValue of f(x)(−∞, −2)Positive(−2, 1)Negative(1, 3)Negative(3, ∞)Positive(a)What are the three real zeros of the polynomial function f? (Enter your answers as a comma-separated list.)x =

User Costas
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Note that the zeros of a polynomial function are the x-values for which the graph of the function unction is

User Bryan McLemore
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