Is there a type of function where every point has exactly one tangent line passing through it? If yes, what is this type of function called?

Eg a parabola y=x² Jesus, of course, spoke in parabolas. In those days it was like the Beatles at Sh...
Eg a parabola y=x² Jesus, of course, spoke in parabolas. In those days it was like the Beatles at Sh...
Ero is short form of Eros (エロス). This word appeared late in Japan. It seemed エロスcould only be...
Assuming that you Mr Anal In Mouth (did I spell your name right?) are American, go live up to your n...
If you are talking like late night -masturbate(I mean this one goes for pretty much everyone even ad...
Not really for me, but there are aspects of his character that are worth learning from. Kakashi Hata...
So, this was a one sided love story which happened almost 3 years ago I was a teenager back then and...
My first wife loved dogging in parks and rest areas but we lived where there were no theaters or eve...
snookums he doesn’t want to leave his wife. He tells you he loves you because it keeps you available...
Wasn’t a bachelorette party, this was a birthday party at a club with male strippers. This is my gir...
The global watchdog of doping in sports says it will urge public authorities to shut down the drug-f...
Yes, it's well known that the Japanese soldiers were determined to fight bitterly and avoid surrende...
It depends, “de rien” isn’t a formulation I like a lot, because it implies that they’re thanking you...