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...
She said she loved me but I did not love her and knew I could never love her. She was not a bad pers...
I talk from experience here a very strange experience one one fine day the sun was shining, the bird...
Dopamine doesn’t work that way, but let’s put that on hold and imagine it does, so I can focus on th...
Experts share how nutrition can strengthen bones with foods like tofu, prunes and yogurt, which are...
Well, first off, they DO say it's different than what physicists claim. They claim most of science i...
If Putin is any of these, then I don't see him showcasing the above mentioned qualities which he def...
Well in short, it turns them the fuck on. They want to grab them, suck on them. What they really enj...
Cold plunges in general may hamper muscle recovery after exercise, researchers say
Everything you need to know about June’s full strawberry moon, including exactly when, where, and ho...
Not even a bathroom mishap could deter Scottie Scheffler’s latest victory lap.
The Webb telescope detects a clear, hydrogen-rich atmosphere, as well as water vapor, on the hot sub...