Evaluate the limits$.$

g$($x$)=3$x$+633$x$6$x$<1$x$=1$x$>1$g$($x$)=\{3$x$+6$x$<13$x$=13$x$6$x$>1$

EnterDNEif the limit does not exist.

a$)$ limx$1$g$($x$)$limx$1$g$($x$)=$

b$)$ limx$1+$g$($x$)$limx$1+$g$($x$)=$

c$)$ limx$1$g$($x$)$limx$1$g$($x$)=$

d$)$ g$(1)$g$(1)=$