Let f$($x$)=|$x$|,$ and define F$($x$)=$ R x $2$ f$($t$)$dt$.($a$)$ Find a formula for F$($x$)$ At which points x in R is F continuous At which points x in R is F differentiable At which points x in R is F

$0$

$($x$)=$ f$($x$)$