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Dave Jones
davegjones.bsky.social
did:plc:vwv4wxnab7ygypwzt54nmeju
Hi #Alevelmaths, tangents are currently being discussed with first years. I have a question: for which functions are the two statements logically equivalent, "f(x) has a tangent that crosses at more than one point" & "the second derivative takes +ve and -ve values"? Thanks in advance.
2024-11-27T16:06:09.251Z