Use a graphing utility $to$ approximate the local maximum value and local minimum value $of$ the function $f(x)=-0\mathrm{.}4x^3-0\mathrm{.}7x^2+5x-4$ for $y$~~$x$~~$-25.$ Choose the correct graph below.

$A.$

$B.$

$c.$

The local maximum $isy$~~

and $it$ occurs $atx$~~

$(Roundto$ the nearest hundredth $as$ needed.$)-6$ and $-25.$ Choose the correct graph below.

$A.$

$B.$

$c.$

The local maximum $isy$~~

and $it$ occurs $atx$~~

$(Roundto$ the nearest hundredth $as$ needed.$)-6.$

Using a graphing utility, graph the function for $-6$ and $-25.$ Choose the correct graph below.

$A.$

$B.$

$c.$

The local maximum $isy$~~

and $it$ occurs $atx$~~

$(Roundto$ the nearest hundredth $as$ needed.$)$