Please help in these thanks alot

asked Feb 9 in Calculus Answers by falcon147

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

Best answer

20. For the limit to exist the left and right approaches to 3 must be equal.

Limit for x➝3⁻ is 2 but the limit for x➝3⁺ is 3. So the limit for x➝3 is undefined.

21. For x➝2⁻ the limit is 2 and for x➝2⁺ the limit is 6-2=4. Because the left and right limits are unequal the limit for x➝2 is undefined.

22. For x➝2⁻ limit is 3, for x➝2⁺ limit is 4 so the left and right limits are different and for x➝2 the limit is undefined (same as doesn’t exist).

23. Lim(f)-lim(g)=L-M=lim(f-g) because we can write h(x)=f(x)-g(x) reducing f-g to a single function. Since the limit for both f and g is for x➝a, then it also applies for h(x) for x➝a.

answered Feb 9 by Rod Top Rated User (592,720 points)

Related questions

1 answer
1 answer
1 answer
1 answer
asked Feb 10 in Calculus Answers by Goodboy123 | 41 views
1 answer
1 answer
1 answer
Welcome to, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
81,852 questions
86,192 answers
69,808 users