bac-s-maths 2021 Q3

bac-s-maths · France · bac-spe-maths__centres-etrangers_j1 1 marks Stationary points and optimisation Analyze function behavior from graph or table of derivative
Below is the graphical representation of $f^{\prime}$, the derivative function of a function $f$ defined on [0;7].
The variation table of $f$ on the interval [0; 7] is:
a.
$x$03,257
$f(x)$

b.
$x$0257
$f(x)$

c.
$x$0257
$f(x)$$\nearrow$

d.
$x$027
$f(x)$
Below is the graphical representation of $f^{\prime}$, the derivative function of a function $f$ defined on [0;7].

The variation table of $f$ on the interval [0; 7] is:

a.
\begin{tabular}{ | c | l l l | }
\hline
$x$ & 0 & 3,25 & 7 \\
\hline
$f(x)$ & & & \\
\hline
\end{tabular}

b.
\begin{tabular}{ | c | l l l l l | }
\hline
$x$ & 0 & 2 & 5 & 7 & \\
\hline
$f(x)$ & & & & & \\
\hline
\end{tabular}

c.
\begin{tabular}{ | c | l l l l r | }
\hline
$x$ & 0 & 2 & 5 & 7 \\
\hline
$f(x)$ & $\nearrow$ & & & \\
\hline
\end{tabular}

d.
\begin{tabular}{ | c | l l l l | }
\hline
$x$ & 0 & 2 & 7 \\
\hline
$f(x)$ & & & \\
\hline
\end{tabular}