Avaldis 3: log left parenthesis, "x" ! , right parenthesis left brace, 1 less than or equal to "x" less than or equal to 13 , right bracelogx!1≤x≤13
3
Avaldis 4: log left parenthesis, "x" ! times "x" , right parenthesis left brace, 1 less than or equal to "x" less than or equal to 13 , right bracelogx!·x1≤x≤13
