In formally proving that $\underset{x3}{lim}(x^2-6x)=-9,$ let $>0$ be arbitrary. Determine $$ as a function of $.$ Note: in this case $$ will be a function of $.$ You will need to write the word epsilon for $$ in the answerbox $=$ In formally proving that $\underset{x3}{lim}(x^2-6x)=-9,$ let $>0$ be arbitrary. Determine $$ as a function of $.$ Note: in this case $$ will be a function of