My Calculus students struggled to remember the difference between the two types of concavity, so I made up a poem for them: My fiancee, who also teaches Calculus, invented a different mnemonic...
Lover of math. Bad at drawing.
My Calculus students struggled to remember the difference between the two types of concavity, so I made up a poem for them: My fiancee, who also teaches Calculus, invented a different mnemonic...