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...
I’ve answered this in the past and Quora keeps deleting it. I don’t know why they see fit to delete...
─── ☆ Before anything, I’m sorry 𖦹 ⠀⠀⠀꒰ა ♡ ໒꒱ And I’m sorry and I’m sorry again ๋࣭ ⭑⚝ HUGE TRIGG...
As Mauricio Pochettino’s men prepare to kick off their final tune-up tournament, questions loom over...
In somewhat chronological order… “Let’s Take a Sea Cruise with Frankie Ford” (1960)…They took a whit...
The biggest challenges associated with the birth narratives of Jesus are: The earliest christian tex...
If you mentioned when exactly you were young, you may get more precise answers. Were you young in th...
1: Itachi was a terrible brother. One thing that can’t reach the heads of Ichitards is that intentio...
A new study has shown that just seven days of small, daily acts of kindness and gratitude can signif...
He’s not done yet? The official presidential Meme Stock, DJT ticker on the Nasdaq is about to be the...
It's even better than you think it would be. When I wake up in the morning with her next to me, it's...
Ok, I know this thread is old, and this comment will be long, but I just want to point out, I was 8...