The function $y=f(x)$ has the second derivative $f^{\text{'}\text{'}},$ which is shown in the graph below. Which number line holds true for the graph of $y=f(x)?$

$1$

a$)$

b$)$

$y=f(x)$

b$)$

$\backslash$table$[[\backslash$table$[[$y$=$f$($x$)],[$Ip Ccu$]],$ip$,$Ccd$,$lp$,$Ccu,Ip$],[0\mathrm{.}65,1\mathrm{.}95,,5\mathrm{.}05,,8\mathrm{.}05]]$

c$)$

$y=f(x)$

c$)$

$\backslash$table$[[$y$=$f$($x$),$Ccd$,$lp$,$Ccu,ip$],[$ip$,$lo$,$o$.,,],[3\mathrm{.}05,,6\mathrm{.}35,,9\mathrm{.}35]]$

d$)$

$y=f(x)$

$\backslash$table$[[$y$=$f$($x$),,,,],[$lp$,$Ccu,lp$,$Ccd$,$lp$],[3\mathrm{.}05,,6\mathrm{.}35,,9\mathrm{.}35]]$