QUESTION: Fix punctuation: The result varies depending on exactly when the game is played
ANS: The result varies depending on exactly when the game is played.

QUESTION: Fix punctuation: Despite this many gambling players attempt to beat the game
ANS: Despite this, many gambling players attempt to beat the game.

QUESTION: Fix punctuation: 1 week ago 0218 xHamster skinny flashing voyeur public naked in public HD
ANS: 1 week ago 02:18 xHamster skinny, flashing, voyeur, public, naked in public HD

QUESTION: Fix punctuation: On the other hand for a maximum df has to be negative and that requires that fxxx0 be negative
ANS:
On the other hand for a maximum df has to be negative and that requires that fxx(x0) be negative.