Answer :

(i) f(x) = 4x3-x2-3x+7 is a polynomial.

(ii) g(x) = 2x3-3x2+-1 is not a polynomial as exponent of x in is not a positive integer.


(iii) p(x) = x2-x+9 is a polynomial as all the exponents are positive integer.


(iv) q(x) = 2x2-3x++2 is not a polynomial as the exponent of x in is not a positive integer.


(v) h(x) = x4-+x-1 is not a polynomial as the exponent of x in –x3/2 is not a positive integer.


(vi) f(x) = 2++4x is not a polynomial as the exponent of x in is not a positive integer.


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