Which of the following expressions are polynomials? Justify.
(i) 4x²+6x-2
(ii) 7
(iii) 2x²+3/x-5
(iv) √3x²+5y
(v)y²-9
(vi)2√x-4
(vii)2x-³+3x-7
(viii)3x^x+2
Answers
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Answer:
ii, vi, viii
Step-by-step explanation:
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