Which of the following is a polynomial A. x^2+2 B. (x^8-2) / (x^-2+3) C. 7x^7-2x^-4+3 D. x^x-1

Question

Mathematics

Jovani Branch

10 March, 21:53

Which of the following is a polynomial A. x^2+2 B. (x^8-2) / (x^-2+3) C. 7x^7-2x^-4+3 D. x^x-1

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Answers (1)

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Kameron Gordon · Answer 1

A. x²+2 - a polynomial

B. (x⁸-2) / (x⁻²+3) rational function

C. 7x⁷-2x⁻⁴+3 (It has negative value of exponent, so it cannot be a polynomial.)

D. x^x-1 (x is an exponent it cannot be a polynomial)