Checkmate in 1 puzzle

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laurengoodkindchess

Hi! My name is Lauren Goodkind and I’m a chess YouTuber based in California: 

https://www.youtube.com/channel/UCP5SPSG_sWSYPjqJYMNwL_Q

White to move.  How does white checkmate black in one move?  This position was taken from a game that I recently played.  

brennanchase38
Rxf5?