Question

# The function given by f(x)=−3x^5+√2x+1/2x (is/is not) a polynomial function.

Functions
The function given by $$\displaystyle{f{{\left({x}\right)}}}=−{3}{x}^{{5}}+√{2}{x}+\frac{{1}}{{2}}{x}$$ (is/is not) a polynomial function.