Suppose we have two admissible heuristics h$1($n$)$ and h$2($n$)($where n is a node$),$ which of the following is true

min$($h$1($n$),$h$2($n$))$ is a better heuristic than h$1($n$)$ or h$2($n$)$

max$($h$1($n$),$h$2($n$))$ is a better heuristic than h$1($n$)$ or h$2($n$)$

h$1($n$)-$h$2($n$)$ is a better heuristic than h$1($n$)$ or h$2($n$)$