From the expressions given below

MATHEMATICS · Subjective · CBSE · Mathematics · Polynomials · Polynomials

Problem

From the expressions given below, write the letters corresponding to those which represent polynomial functions: (a)

3x^{4}-2x+7

(b)

\dfrac{x^{2}-5}{x+1}

(c)

\sqrt{x}+2

(d)

4-x^{3}