2. What can you say (with one-sentence explanation) about the language A if:
a. A ≤ B and B is decidable
b. A ≤ B and B is not Turing-decidable
c. B ≤ A and B is Turing acceptable
d. B ≤ A and B is not Turing acceptable
2. What can you say (with one-sentence explanation) about the language A if: a. A ≤...
(6 pts- 2 pts each) Let L be a language such that L Sm A your answers to the following questions: and AM Sm L. Justify a) Is L decidable? b) Is L Turing-recognizable? c) Is L Turing-recognizable? (6 pts- 2 pts each) Let L be a language such that L Sm A your answers to the following questions: and AM Sm L. Justify a) Is L decidable? b) Is L Turing-recognizable? c) Is L Turing-recognizable?
(6 pts-2 pts each) Let L be a language such that L Sm Any and Ay Sm L. Justify your answers to the following questions: 3. TM a) Is L decidable? b) Is L Turing-recognizable? c) Is L Turing-recognizable? (6 pts-2 pts each) Let L be a language such that L Sm Any and Ay Sm L. Justify your answers to the following questions: 3. TM a) Is L decidable? b) Is L Turing-recognizable? c) Is L Turing-recognizable?
Classify the language { (G) | G is a CFG, L(G) contains a palindrome}\ as (a) decidable (b) Turing-recognizable but not co-Turing recognizable (c) co-Turing recognizable but not Turing-recognizable (d) neither Turing nor co-Turing recognizable Justify your answer
Please also note that there might be multiple answers for each question. Q1: Which of the following claims are true?* 1 point The recognizable languages are closed under union and intersection The decidable languages are closed under union and intersection The class of undecidable languages contains the class of recognizable languages For every language A, at least one of A or A*c is recognizable Other: This is a required question Q2: Which of the following languages are recognizable? (Select all...
13. What can you say about an unknown compound that gave a pouldve test with 2 hydrazine and a positive test with the Jones Reseat? now compound that gave a pouldve test with 2,4-dinitrophenyl 14 What can you say about sa unknown compound when dissolved in distilled water and tested with peper, pave an estimated pH of about 81. 15. What can you say about an unknown compound that turned a wet plece al blue litmus red? 16. What can...
Concentration vs Solution Volume 4. Given this graph, what can you say about the experiment? conc (M) 0.18 0.6 0.28 0.38 0.48 0.58 solution volume (L) A. Amount of solute was the independent variable B. Amount of solution was the independent variable C. Concentration was the independent variable D. More than one of these 4. Answer and explanation with support
Let Azfa"b"c" I n 0 }. Answer each of the following question: 1. 2. 3. 4. Is A a regular language? Is A a context free language? Is A Turing recognizable? Is A Turing decidable?
Suppose that <A is congruent to <E and BC - DC What can you say about angles <ABF and <EDF? E F B D They are congruent They are supplementary There is not enough information to determine if they are congruent of supplementary.
This is the position graph of a mass on a spring. What can you say about the velocity and the force at the instant indicated by the dotted line? a) Velocity is positive; force is zero b) Velocity is negative; force is zero c) Velocity is negative; force is to the right. d) Velocity is zero; force is to the right. e) Velocity is zero; force is to the left. A
1. What can one say about the image produced by a thin lens that produces a positive magnification? a. It is real and inverted b. It is real and erect. c.It is virtual and inverted. d. It is virtual and erect. 2.If the diameter of a lens is reduced, what happens to the magnification produced by the lens? a. It increases b. It decreases c. It is unchanged