Question: Use the Rational Zero Theorem to list all possible rational zeros for the given function. f left parenthesis x right parenthesis equals 9 x Superscript

Use the Rational Zero Theorem to list all possible rational zeros for the given function. f left parenthesis x right parenthesis equals 9 x Superscript 4 Baseline minus x cubed plus 2 x squared minus 2 x minus 21 Question content area bottom Part 1 Which of the following is the complete list of possible zeros of the given function? A.plus or minus 1 comma plus or minus 3 comma plus or minus seven thirds comma plus or minus one ninth comma plus or minus seven ninths plus or minus 1 comma plus or minus 3 comma plus or minus seven thirds comma plus or minus one ninth comma plus or minus seven ninths B.plus or minus 1 comma plus or minus 3 comma plus or minus 7 comma plus or minus one third comma plus or minus seven thirds plus or minus 1 comma plus or minus 3 comma plus or minus 7 comma plus or minus one third comma plus or minus seven thirds C.plus or minus 1 comma plus or minus 3 comma plus or minus 7 comma plus or minus 21 comma plus or minus one third comma plus or minus seven thirds comma plus or minus one ninth comma plus or minus seven ninths plus or minus 1 comma plus or minus 3 comma plus or minus 7 comma plus or minus 21 comma plus or minus one third comma plus or minus seven thirds comma plus or minus one ninth comma plus or minus seven ninths D. The function has no rational zeros

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