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15 changes: 4 additions & 11 deletions meanValueTheorem/exercises/meanValueTheorem3.tex
Original file line number Diff line number Diff line change
Expand Up @@ -42,26 +42,19 @@

$0<g'(x)\leq2$ for all $x$ in $(3,5)$.
\begin{hint}
Since the function $g$ satisfies the conditions of the Mean value theorem (MVT), there exists a points $c$ in $(3,5)$ such that $g'(c)=\answer{3}$.
\end{hint}
\begin{hint}
Since $g'(c)=\answer{3}$,\\
it follows that $g'(c)>2$.
Since the function $g$ satisfies the conditions of the Mean value theorem (MVT), there exists a points $c$ in $(3,5)$ such that $g'(c)=\answer{3}$. Thus, $g'(c)>2$.
\end{hint}

\begin{multipleChoice}
\choice{True}
\choice[correct]{False}
\end{multipleChoice}

$0<g(x)\leq 8$ for all $x$ in $(3,5)$.
\begin{hint}
Since $g'(x)>0$ on $(3,5)$, the function $g$ is increasing on the interval $(3,5)$.
Since $g'(x)>0$ on $(3,5)$, the function $g$ is increasing on the interval $(3,5)$. Thus, $g(x)\le g(5)$, for all $x$ in $(3,5)$.
\end{hint}
\begin{hint}
Since the function $g$ is increasing (and continuous on $[3,5]$) on the interval $(3,5)$, it follows that

$g(x)\le g(5)$, for all $x$ in $(3,5)$.
\end{hint}
\begin{multipleChoice}
\choice[correct]{True}
\choice{False}
Expand All @@ -70,4 +63,4 @@


\end{exercise}
\end{document}
\end{document}