01-12-2017
Mathematics

contestada

Which of the following expressions are polynomials? Check all that apply.

Check all that apply.

A. x^3+ 2x^2
B. 2x^-3 - 5x^-1 + 3
C. 1/4 x^5 + 1/3 x^4 -1/2 x^3
D. -9x
E. 5/x -1

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01-12-2017

I think its B but it does ... i think

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