This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 2 Relations And Functions – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 2 Relations And Functions Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Explain the concept of a composite function. A) A composite function is a function that has no input parameters. B) A composite function is a function that results from applying one function to the output of another function. C) A composite function is a function that results from applying a function to itself. D) A composite function is a function that combines two functions into one. Show Answer Correct Answer: B) A composite function is a function that results from applying one function to the output of another function. 2. A way to name a function that is defined by an equation. (Replace y with f(x).) A) Function Notation. B) Input. C) Output. D) Vertical Line Test. Show Answer Correct Answer: A) Function Notation. 3. If R is a relation on the set A = \{1, 2, 3, 4, 5, 6, 7, 8, 9\} given by x R y y = 3x, then R = A) \{(3, 1), (6, 2), (8, 2), (9, 3)\}. B) \{(3, 1), (6, 2), (9, 3)\}. C) \{(3, 1), (2, 6), (3, 9)\}. D) None of these. Show Answer Correct Answer: D) None of these. 4. What does it mean for a function to be increasing? A) A function is increasing if, as the x-values increase, the y-values also increase. B) A function is increasing if the y-values decrease as the x-values increase. C) A function is increasing if it has a maximum value. D) A function is increasing if it is defined for all real numbers. Show Answer Correct Answer: A) A function is increasing if, as the x-values increase, the y-values also increase. 5. What is an Empty Relation in a set A? A) No element of A is related to any element of A. B) Each element of A is related to any element of A. C) Some elements of A are related to each other. D) All elements of A are related to each other. Show Answer Correct Answer: A) No element of A is related to any element of A. 6. What is the domain of the functionf(x) = 4 + 2xwhen the range is \{0, 6\}? A) \{4, 36\}. B) \{4, 16\}. C) \{-2, 1\}. D) \{2, -1\}. Show Answer Correct Answer: C) \{-2, 1\}. 7. Which situation can be represented by y = 17x-8? A) The number of seeds, y, needed to feed 8 hamsters 17 seeds each. B) The earnings from a lemonade stand, y, selling glasses at 17 dollars each with $ 8 in the tip jar. C) The cost, y, of buying 17 movie tickets that sell for $ 8 each. D) The cost, y, of buying Star Wars figurines at $ 17 each with an $ 8 discount. Show Answer Correct Answer: D) The cost, y, of buying Star Wars figurines at $ 17 each with an $ 8 discount. 8. Relation or Function? \{(-6, -1), (5, -1), (0, -1), (-2, -1), (3, -1)\} A) Relation and Function. B) Relation only. C) Function only. D) None of the above. Show Answer Correct Answer: A) Relation and Function. 9. Is the relation a function? \{(-6, -1), (5, -1), (0, -1), (-2, -1), (3, -1)\} A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 10. For the order pairs:( 3, 8), ( 5, 4), (1, 9), and (2, 7). List the domain. A) D:\{4, 7, 8, 9\}. B) D:\{1, 2, 3, 5\}. C) All the above. D) None of the above. Show Answer Correct Answer: B) D:\{1, 2, 3, 5\}. 11. If f(x) = 2x + 1, find f(1). A) F(1) = 1. B) F(1) = 4. C) F(1) = 0. D) F(1) = 3. Show Answer Correct Answer: D) F(1) = 3. 12. F:A $\longrightarrow$ A) 7. B) 49. C) 1. D) 14. Show Answer Correct Answer: A) 7. 13. If there are 1024 relations from a set A = \{p, q, r, s, t\} to a set B, then the number of elements in B is ..... A) 2. B) 3. C) 4. D) None of the above. Show Answer Correct Answer: A) 2. 14. Identify the DOMAIN and RANGE of (2, -4)(2, 7)(-6, 5)(1, 10)(3, -9) A) DOMAIN:-9, -4, 5, 7, 10RANGE:-6, 1, 2, 3. B) DOMAIN:-6, 1, 2, 3RANGE:-9, -4, 5, 7, 10. C) DOMAIN:1, 2, 3, -6RANGE:-4, 5, 7, -9, 10. D) DOMAIN:-6, 2, 2, 3, 1RANGE:-9, -4, 5, 7, 10. Show Answer Correct Answer: B) DOMAIN:-6, 1, 2, 3RANGE:-9, -4, 5, 7, 10. 15. What is a table of values in relation to functions? A) A graphical representation of a function showing its shape. B) A way to represent a function by listing pairs of input (x) and output (y) values. C) A method to calculate the derivative of a function. D) A set of equations that define a function. Show Answer Correct Answer: B) A way to represent a function by listing pairs of input (x) and output (y) values. 16. In the linear equation shown, which variable would represent the output (range) values? A) Y. B) M. C) X. D) B. Show Answer Correct Answer: A) Y. 17. Find the range of f(x) =-2x$^{2}$-3, give the domain is D = \{2, -3, 4\}. A) \{5, 15, 29\}. B) \{-35, -21, -11\}. C) \{-35, -15, -11\}. D) \{-35, -11, 15\}. Show Answer Correct Answer: B) \{-35, -21, -11\}. 18. Number of binary operations on the set \{a, b\} are A) 10. B) 16. C) 20. D) 8. Show Answer Correct Answer: B) 16. 19. The maximum number of equivalence relations on the set A = \{1, 2, 3\} are A) 1. B) 2. C) 3. D) 5. Show Answer Correct Answer: D) 5. 20. The one-one function is A) Straight line. B) Circle. C) Parabola. D) Ellipse. Show Answer Correct Answer: A) Straight line. 21. AN ARROW DIAGRAM IS A VISUAL REPRESENTATION OF A ..... A) DOMAIN. B) RELATION. C) CO-DOMAIN. D) RANGE. Show Answer Correct Answer: B) RELATION. 22. Which of the relations below is a function? A) \{(1, 1, ), (2, 1), (3, 1), (4, 1), (5, 1)\}. B) \{(2, 1), (2, 2), (2, 3), (2, 4), (2, 5)\}. C) \{(0, 2), (0, 3), (0, 4), (0, 5), (0, 6)\}. D) None of the above. Show Answer Correct Answer: A) \{(1, 1, ), (2, 1), (3, 1), (4, 1), (5, 1)\}. 23. If $f(x)=7x-4$ $f\left(0\right)$ A) $f\left(0\right)=-4$. B) $f\left(0\right)=-18$. C) $f\left(0\right)=17$. D) $f\left(0\right)=-25$. Show Answer Correct Answer: A) $f\left(0\right)=-4$. 24. Let f(x) = 5x-2.If f(x) = 13, find x. A) 5. B) 2.2. C) 63. D) 3. Show Answer Correct Answer: D) 3. 25. If a relation R on the set \{1, 2, 3\} be defined by R = \{(1, 2)\}, then R is A) Reflexive. B) Transitive. C) Symmetric. D) None of these. Show Answer Correct Answer: B) Transitive. ← 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