Question: Which function is a polynomial function? a.) f left parenthesis x right parenthesis equals 7 x to the power of 4 minus 14 x cubed

Which function is a polynomial function? a.) f left parenthesis x right parenthesis equals 7 x to the power of 4 minus 14 x cubed plus 2 x minus 1 b.) f left parenthesis x right parenthesis equals fraction numerator 6 x plus 9 over denominator 2 x minus 1 end fraction c.) f left parenthesis x right parenthesis equals 4 x to the power of 7 plus 5 over x cubed d.) f left parenthesis x right parenthesis equals 10 x squared plus 7 minus 3 square root of x

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