$2.[-/1$ Points$]$ DETAILS SCALC$83\mathrm{.}4\mathrm{.}501.$XP$.$ Evaluate the limit using the appropriate properties of limits$.9$x$2-$ lim x $+2$x$2+5$x $-3$ X $+6$ Need Help? Read It Watch It Submit Answer $3.[-/1$ Points$]$ DETAILS SCALC$83\mathrm{.}4\mathrm{.}011.$ Find the limit$,$ if it exists. $($If an answer does not exist, enter DNE.$)$ lim X$-6$ x$-$c$0$ x$2+3$ Need Help? Read It Watch It $4.[-/1$ Points$]$ DETAILS SCALC$83\mathrm{.}4\mathrm{.}502.$XP$.$ Find the limit$,$ if it exists. $($If an answer does not exist, enter DNE.$)$ lim $4$x$6$ X$3+9$ Need Help? Read It Watch It