Answer
$3$
Work Step by Step
$\lim\limits_{x \to .1}[f(x)-g(x)]=\lim\limits_{x \to .1}f(x)-\lim\limits_{x \to .1}g(x)=6-3=3$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.