One of the Functions Below Is a Quadratic, One Is

One of the functions below is a quadratic, one is a cubic, and one is a periodic function.Which one is periodic? $$\begin{array}{l}\begin{array} { r | r } \hline x & f ( x ) \\\hline 0.2 & - 0.42 \\0.4 & - 0.65 \\0.6 & 0.96 \\0.8 & - 0.15 \\1.2 & 0.84 \\\hline\end{array}\\\\\begin{array} { r | r } \hline x & g ( x ) \\\hline 1.3 & 0.41 \\1.7 & 0.81 \\2.5 & 0.65 \\3.0 & - 0.10 \\3.5 & - 1.35 \\\hline\end{array}\\\\\begin{array} { r | r } \hline x & h ( x ) \\\hline 0.5 & - 1.13 \\1.2 & 0.13 \\1.8 & 0.03 \\2.0 & 0.00 \\2.2 & 0.05 \\\hline\end{array}\end{array}$$

A) g(x)
B) f(x)
C) h(x)