Here's an example:
\{begintable(3)\} #Note: Indicate the number of columns
\{row( '\( x \)', '\(f(x)\)', '\(g(x)\)' )\}
\{row( $x[0], $f[0], $g[0] ) \}
\{row( $x[1], $f[1], $g[1] ) \}
\{row( $x[2], $f[2], $g[2] ) \}
\{row( $x[3], $f[3], $g[3] ) \}
\{row( $x[4], $f[4], $g[4] ) \}
\{endtable()\}
--rac