For this question, use this data:

myFunc $=$ function $($x$,$ y $=2)$

$\{$z $=7$

z $+$ x$^2+$ y

$\}$

Assuming that this was the first thing entered in a new R session, if the next command entered is z $+1,$ what is the output?

$8.$

An error, z does not exist.

$10.$

$7.$