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14 February, 19:36

Which expression is a polynomial? a. 9x^7 y^-3z b. 4x^3 - 2x^2 + 5x - 6 + 1/x c. - 13 d. 13x ^-2

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  1. 14 February, 20:41
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    Answer: B.

    Step-by-step explanation:

    Polynomials cannot have negative exponenets because x^-3 can be written as 1/x^3 and terms containing fractional exponents are not considered polynomials
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