$5.$ Which graph represents functions $\backslash ($ f $\backslash )$ and $\backslash ($ g $\backslash )?$

$\backslash ($ f $\backslash )$ : initial value of $200$ decreasing at a rate of $\backslash (4\backslash \%\backslash )$

$\backslash ($ g $\backslash )$ : initial value of $40$ increasing at a rate of $\backslash (8\backslash \%\backslash )$

$($A

$($C

$($B$)$

$($C$)$