Question

What does this mean?

Answer 1

\(f\in\cal C^{n+1} (a,b)\)

Answer 2

A curve can be said to have \( C ^{n+1} \) continuity on \((a , b)\) if \( \displaystyle\frac{d^{n+1}s}{dt^{n+1}}\) is continuous \((a , b)\)

Answer 3

the n+1 derivatives are continuous