Is $2x^3-4x^5+3$2x3−4x5+3 a polynomial?
Yes, it is a polynomial.
No, it is not a polynomial.
Is $\sqrt{2}x^6+7x$√2x6+7x a polynomial?
Is $A\left(x\right)=4x^{\frac{1}{4}}+2x^5+2$A(x)=4x14+2x5+2 a polynomial?
Is $3x^3+\frac{2}{x^7}-1$3x3+2x7−1 a polynomial?