Question

For each of the following subsets of the real line, mark which ones are compact, meaning...

For each of the following subsets of the real line, mark which ones are compact, meaning that every open cover has a finite subcover.

[1, infinity)

(1, 3)

[1, 3]

(1, 3]

{1, 3}

Just answer the question by choosing the correct answer choices.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1. Let A and B be subsets of R, each of which A and B be...
1. Let A and B be subsets of R, each of which A and B be subsets of R, each of which has a minimum element. Prove that if A ⊆ B, then min A ≥ min B. 2.. Let a and b be real numbers such that a < b. Prove that a < a + b / 2 < b. This number a + b / 2 is called the arithmetic mean of a and b. 3.. Let...
For each of the following sets X and collections T of open subsets decide whether the...
For each of the following sets X and collections T of open subsets decide whether the pair X, T satisfies the axioms of a topological space. If it does, determine the connected components of X. If it is not a topological space then exhibit one axiom that fails. (a) X = {1, 2, 3, 4} and T = {∅, {1}, {1, 2}, {2, 3}, {1, 2, 3}, {1, 2, 3, 4}}. (b) X = {1, 2, 3, 4} and T...
24. Which of the following is true regarding the production possibility frontier model? There is more...
24. Which of the following is true regarding the production possibility frontier model? There is more than one correct answer to this question. You must mark all of the correct answers to receive full credit for this question. Group of answer choices The PPF always slopes down because resources are limited. Resource use is efficient in producing all of the combinations shown on a PPF. Using only the PPF model, it is not possible to state that any one combination...
Which of the following probabilities CANNOT be found using the binomial distribution? a) The probability that...
Which of the following probabilities CANNOT be found using the binomial distribution? a) The probability that 3 out of 8 tosses of a coin will result in heads b) The probability of getting exactly five face cards when drawing five cards without replacement from a standard deck of 52 cards c) When randomly choosing a family with four children, the probability that it will have exactly two boys and two girls as children d) The probability that a student randomly...
Beth is taking a 7​-question ​multiple-choice test for which each question has three answer​ choices, only...
Beth is taking a 7​-question ​multiple-choice test for which each question has three answer​ choices, only one of which is correct. Beth decides on answers by rolling a fair die and marking the first answer choice if the die shows 1 or​ 2, the second if it shows 3 or​ 4, and the third if it shows 5 or 6. Find the probability that she gets exactly 5 correct answers.
A mathematics competition uses the following scoring procedure to discourage students from guessing (choosing an answer...
A mathematics competition uses the following scoring procedure to discourage students from guessing (choosing an answer randomly) on the multiple-choice questions. For each correct response, the score is 7. For each question left unanswered, the score is 2. For each incorrect response, the score is 0. If there are 5 choices for each question, what is the minimum number of choices that the student must eliminate before it is advantageous to guess among the rest? (A) 0 (B) 1 (C)...
Suppose in a multiple choice type test, each question has five choices. To discourage students from...
Suppose in a multiple choice type test, each question has five choices. To discourage students from guessing the correct answer, the following scoring method is used: 7 points for correct answer, 0 point for wrong answer, and 2 points for leaving the question unanswered.   What is the minimum number of choices in each question a student should be able to eliminate, so that it becomes advantageous to guess from the remaining choices? choice: 1 2 3 4
The following question pertains to biochemistry A)Which of the following best describes the role of the...
The following question pertains to biochemistry A)Which of the following best describes the role of the zinc metal ion in carbonic anhydrase? 1. It dramatically shifts the reaction equilibrium toward the formation of carbonic acid. 2.It helps make water a better nucleophile 3.It increase the pka of water 4.It helps to coordinate atp which ultimately provides energy for the difficult reaction 5.It is purely structural and plays no direct role in catalysis B)Which of the following statements is correct? 1.enzyme...
13. Which of the following statements is CORRECT? Group of answer choices One of the disadvantages...
13. Which of the following statements is CORRECT? Group of answer choices One of the disadvantages of incorporating a business is that the owners then become subject to liabilities in the event the firm goes bankrupt. Sole proprietorships are subject to more regulations than corporations. In any type of partnership, every partner has the same rights, privileges, and liability exposure as every other partner. Sole proprietorships and partnerships generally have a tax advantage over many corporations, especially large ones. Corporations...
When conducting a survey, which of the following is a reason to use a random sample?...
When conducting a survey, which of the following is a reason to use a random sample? Check all that apply. 1.To make cause-and-effect connections 2.To avoid bias 3.No answer text provided. 4.To systematically favors the correct choice over every other choice on each question
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT