\documentclass{standalone}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{fourier}
\usepackage{pgfplots}
\pgfplotsset{compat=1.18}

\begin{document}

\begin{tikzpicture}
\begin{axis}[
  axis lines=center, 
  axis equal, 
  xtick={-4,-2,2,4},
  xlabel=$x$,
  ylabel=$y$,
  title={$f(x)=\frac{x^3-4x}{3}$},
]
\addplot[domain=-3:3, samples=80, smooth, thick] {(x^3-4*x)/3};
\end{axis}
\end{tikzpicture}

\end{document}