#$6f(x)$ with domain $a,d.$ Let the numbers $R,S,$ and $Tbe$ the areas $of$ the indicated regions between the graph $off$ and the $x-$axis. aRST${\displaystyle \underset{a}{\overset{b}{}}}f(x)dn{t}_a^{c}f(x)dn{t}_a^{d}f(x)dx{\displaystyle \underset{b}{\overset{c}{}}}f(x)dn{t}_c^{d}f(x)dn{t}_c^{b}f(x)dxb{\displaystyle \underset{a}{\overset{d}{}}}f(x)dxc{\displaystyle \underset{b}{\overset{b}{}}}f(x)dx$

#$6{\displaystyle \underset{a}{\overset{b}{}}}f(x)dx+{\displaystyle \underset{b}{\overset{c}{}}}f(x)dx+{\displaystyle \underset{c}{\overset{a}{}}}f(x)dx+{\displaystyle \underset{d}{\overset{a}{}}}f(x)dx$

$e{\displaystyle \underset{a}{\overset{d}{}}}|f(x)|dx$

$f|{\displaystyle \underset{a}{\overset{c}{}}}f(x)dx|$