Suppose$$f$($x$)=2$x$2.$What$$is$$theinstantaneous$$rate$$of$$change$$of$$f$($x$)$whenx$=4?$Suppose$$f$($x$)=2$x$2.$What$$is$$theinstantaneous$$rate$$of$$change$$of$$f$($x$)$whenx$=4?$

$16$

$8$

$8$

$16$