Which one of the following is NOT a polynomial function?

MATHEMATICS · Single correct · CBSE · Mathematics · Polynomials · Polynomials

Problem

Which one of the following is NOT a polynomial function? (a)

u(x)=\sqrt[3]{x^{6}}+1

(b)

r(x)=\dfrac{1}{2}x^{4}-3

(c)

h(x)=\dfrac{3}{x}

(d)

s(x)=x^{2}+\sqrt{2}