Solution
= Solution
If $f$ is continuous on $[x,y]$ and <differentiable> on $(x,y)$, then some $c\in(x,y)$ satisfies $f(y)-f(x)=f\prime(c)(y-x)$.
= Solution
If $f$ is continuous on $[x,y]$ and <differentiable> on $(x,y)$, then some $c\in(x,y)$ satisfies $f(y)-f(x)=f\prime(c)(y-x)$.