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...
There are two genders, male and female. In rare occurrences there are hermaphrodites (people born wi...
Colorado coach Deion Sanders witnessed both of his sons plummet through the draft order.
Not at all. Entrapment is fairly specifically defined in law… It happens when the police create a si...
July 2016 Just after passing out from my college, I started working in a renowned Telecom Company as...
My cheeks hurt so much. Is it a kind of cheek cancer (Google told)? I slept on sofa but in the morni...
I had mentioned these 10 interesting facts in an old answer, and I am reproducing them here. Warning...
The USDC stablecoin issuer ended its first trading day at a 167% jump from its $31 IPO price.
Skywatchers in Chelsea, Canada are treated to a stunning aurora display that has a little something...
Nintendo Switch 2 requires a day one update to unlock major parts of the console's capabilities, inc...
Beijing has attempted to improve relations with Brussels since Donald Trump returned to the White Ho...
Researchers have discovered a safe, non-invasive way to enhance the brain’s waste clearance system b...