This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 2 Relations And Functions – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 2 Relations And Functions Quiz 23 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If f:A $\rightarrow$ B is a bijective function and if n(B) = 7, then n(A) is equal to ..... A) 7. B) 49. C) 1. D) 14. Show Answer Correct Answer: A) 7. 2. What is the independent variable in the phrase "the number of pages of a module and the number of bond paper used to reproduce the module" ? A) The thickness of the module. B) The thickness of the bond paper. C) The number of pages of the module. D) The number of bond paper to be used to reproduce the module. Show Answer Correct Answer: C) The number of pages of the module. 3. The function $f:Q\rightarrow Q$ $x\in Q$ A) One-one but not onto. B) Onto but not one-one. C) Bijection. D) None of the above. Show Answer Correct Answer: C) Bijection. 4. The following ordered pairs represent a relation.\{(1, 3), (5, 15), (2, 6), (4, 12), (3, 9)\}What are the range values from least to greatest! A) \{1, 5, 2, 4, 3\}. B) \{3, 15, 6, 12, 9\}. C) \{3\}. D) \{3, 6, 9, 12, 15\}. Show Answer Correct Answer: D) \{3, 6, 9, 12, 15\}. 5. Let R be a relation on the set N of natural numbers defined by nRm if n divides m. Then R is A) Reflexive and symmetric. B) Transitive and symmetric. C) Equivalence. D) Reflexive, transitive but not symmetric. Show Answer Correct Answer: D) Reflexive, transitive but not symmetric. 6. The smallest equivalence relation R on set A = \{1, 2, 3\} is A) \{(1, 1), (2, 2), (3, 3)\}. B) \{(1, 1), (2, 2), (3, 3), (1, 2), (2, 1)\}. C) \{(1, 1), (2, 2), (3, 3), (2, 1)\}. D) None of these. Show Answer Correct Answer: A) \{(1, 1), (2, 2), (3, 3)\}. 7. What is the x-axis A) The vertical axis on a coordinate plane. B) The horizontal axis on a coordinate plane. C) The upside down axis on a coordinate plane. D) Bacon. Show Answer Correct Answer: B) The horizontal axis on a coordinate plane. 8. If g = \{(1, 1 ), (2, 3), (3, 5), (4, 7)\} is a function given by g( x ) = $\alpha$x + $\beta$ then the values of a and b are A) (-1, 2). B) (2, -1). C) (-1, -2). D) (1, 2). Show Answer Correct Answer: B) (2, -1). 9. Which set of ordered pairs represents y as a function of x? A) <(-9, 2), (0, 6), (1, -2), (-3, 6)>. B) <(-1, 0), (4, 3), (-7, -3), (-1, -8)>. C) <(3, 2), (-4, -2), (3, 1), (-4, 1)>. D) <(5, 4), (2, 3), (1, 1), (2, 4)>. Show Answer Correct Answer: A) <(-9, 2), (0, 6), (1, -2), (-3, 6)>. 10. If every input has exactly one output, is the relation a function? A) Yes. B) No. C) Not sure. D) Maybe. Show Answer Correct Answer: A) Yes. 11. Is this relation a function:\{(3, 2), (3, 4), (5, 6), (7, 8) A) Yes, because none of the y coordinate (outputs) repeat itself. B) Yes, because none of the x-coordinates (inputs) repeat itself. C) No, because the x-coordinate of 3 repeats itself. D) No, because the y-coordinates repeat itself. Show Answer Correct Answer: C) No, because the x-coordinate of 3 repeats itself. 12. Which ordered pair is a solution of the equation y = 6x? A) (12, 2). B) (4, 18). C) (3, 18). D) (6, 1). Show Answer Correct Answer: C) (3, 18). 13. Relations can be illustrated using the following, EXCEPT: A) Rule. B) Graph. C) Table. D) Shape. Show Answer Correct Answer: D) Shape. 14. If f(x) = 3x-4 and g(x) = 4x$^{2, }$find f(-5). A) -11. B) 19. C) 11. D) -19. Show Answer Correct Answer: D) -19. 15. If f(x) = 4/3 x-9, which statement is true? A) F(-21) =-30. B) F(3) =-21. C) F(-18) =-33. D) F(9) = 0. Show Answer Correct Answer: C) F(-18) =-33. 16. Find the principal values of $\cot^{-1}\left(-\sqrt{3}\right)$ A) $\frac{5\pi}{6}$. B) $-\frac{5\pi}{6}$. C) $\frac{\pi}{6}$. D) $-\frac{\pi}{6}$. Show Answer Correct Answer: A) $\frac{5\pi}{6}$. 17. What is a linear function? A) A function that can be graphically represented as a straight line, with the form f(x) = mx + b, where m is the slope and b is the y-intercept. B) A function that represents a quadratic equation and forms a parabola when graphed. C) A function that has a constant rate of change and can be represented by a polynomial of degree two. D) A function that oscillates and can be represented by a sine or cosine wave. Show Answer Correct Answer: A) A function that can be graphically represented as a straight line, with the form f(x) = mx + b, where m is the slope and b is the y-intercept. 18. Is this set state as a relation:F=\{(16, -4), (9, 3), (9, -3), (16, 4), (1, -1)\}? A) Yes. B) No. C) Maybe. D) None of the above. Show Answer Correct Answer: A) Yes. 19. Let A = \{1, 2, 3\} and let R = \{(1, 1), (2, 2), ( 3, 3), (1, 3), ( 3, 2), (1, 2)\}. Then, R is A) Reflexive and symmetric but not transitive. B) Reflexive and transitive but not symmetric. C) Symmetric and transitive but not reflexive. D) An equivalence relation. Show Answer Correct Answer: B) Reflexive and transitive but not symmetric. 20. Ordered pairs is called what? A) The domain. B) A relation. C) A function. D) The range. Show Answer Correct Answer: B) A relation. 21. An equation is shown.y=-3x-12When the value of the range is-18, what is the value of the domain? A) -2. B) 2. C) 5. D) 36. Show Answer Correct Answer: B) 2. 22. Sophie earned Php 500 for every 90 she got on her report card.The dependent variable is: A) Money. B) Number of 90s on Sophie's report card. C) All the above. D) None of the above. Show Answer Correct Answer: A) Money. 23. Let n(A) m and n(B) = n then the total number of non-empty relations that cane be defined from A to B is A) M$^{n}$. B) N$^{m}$. C) 2$^{mn}$-1. D) 2$^{mn}$. Show Answer Correct Answer: C) 2$^{mn}$-1. 24. You plan to go snowboarding. The resort charges $ 15 an hour in addition to $ 25 to rent a board. Write an equation that represents the cost to go snowboarding for the day. A) Y=15x-25. B) 15x+25y=100. C) 25x+y=15. D) Y=15x+25. Show Answer Correct Answer: D) Y=15x+25. 25. Janet was given the function f(x) = 3/2 x-5. Determine f(6). A) 4. B) 9. C) 13. D) -2. Show Answer Correct Answer: A) 4. ← PreviousNext →Related QuizzesClass 11 Mathematics Chapter 2 Relations And Functions Quiz 1Class 11 Mathematics Chapter 2 Relations And Functions Quiz 2Class 11 Mathematics Chapter 2 Relations And Functions Quiz 3Class 11 Mathematics Chapter 2 Relations And Functions Quiz 4Class 11 Mathematics Chapter 2 Relations And Functions Quiz 5Class 11 Mathematics Chapter 2 Relations And Functions Quiz 6Class 11 Mathematics Chapter 2 Relations And Functions Quiz 7Class 11 Mathematics Chapter 2 Relations And Functions Quiz 8Class 11 Mathematics Chapter 2 Relations And Functions Quiz 9Class 11 Mathematics Chapter 2 Relations And Functions Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books