This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 2 Relations And Functions – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 2 Relations And Functions Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which input will result in an output of 12 for the following function? $d\left(x\right)=x^2+3$ A) 121. B) 114.5. C) 141. D) 12. Show Answer Correct Answer: C) 141. 2. Given the points (3, 5) (2, 4) (9, 0) and (?, 6). What could replace the? to create a non-function? A) 1. B) 3. C) 4. D) 7. Show Answer Correct Answer: B) 3. 3. Find x and y if:(4x + 3, y) = (3x + 5, -2) A) X = 2, y =-2. B) Y = 2, x =-2. C) X = 2, y = 2. D) X =-2, y =-2. Show Answer Correct Answer: A) X = 2, y =-2. 4. The set of the second elements of the ordered pairs forming a relation is called its A) Subset. B) Complement. C) Range. D) Codomain. Show Answer Correct Answer: C) Range. 5. Let R be the relation in the set \{1, 2, 3, 4\} given by R = \{(1, 2), (2, 2), (1, 1), (4, 4), (1, 3), (3, 3), (3, 2)\}. Choose the correct answer. A) R is reflexive and symmetric but not transitive. B) R is reflexive and transitive but not symmetric. C) R is symmetric and transitive but not reflexive. D) R is an equivalence relation. Show Answer Correct Answer: B) R is reflexive and transitive but not symmetric. 6. Which value can take b in the following function f(x)=\{(2, 1), (3, 5 ), (4, 7), (-1, -3), (-2, -5), (b, -1)\} A) 2. B) -1. C) 0. D) 4. Show Answer Correct Answer: C) 0. 7. Given the list of ordered pairs, what is the x-intercept?(8, 10), (3, -4), (0, 8), (4, -3), (9, 0) A) (8, 10). B) 8, 3, 0, 4, 9. C) (0, 8). D) (9, 0). Show Answer Correct Answer: D) (9, 0). 8. What does it mean for a function to be decreasing? A) A function is increasing if, as the x-values increase, the y-values decrease. B) A function is decreasing if, as the x-values increase, the y-values increase. C) A function is decreasing if, as the x-values increase, the y-values decrease. D) A function is constant if, as the x-values increase, the y-values remain the same. Show Answer Correct Answer: C) A function is decreasing if, as the x-values increase, the y-values decrease. 9. What is the domain? A) The set of all x-values. B) The set of all y-values. C) All the above. D) None of the above. Show Answer Correct Answer: A) The set of all x-values. 10. P(x) = 3x + 4q(x) = 2x$^{2}$Find p(q(x)) A) 10x$^{2}$. B) 18x$^{2}$ + 4. C) 6x$^{2}$ + 4. D) None of the above. Show Answer Correct Answer: C) 6x$^{2}$ + 4. 11. Give the range of the set of ordered pairs:(2, 11), (9, -3), (7, 21), (-8, 6) A) \{2, 9, 7, -8\}. B) \{-3, 6, 11, 21\}. C) \{11, -3, 21, 6\}. D) None of the above. Show Answer Correct Answer: B) \{-3, 6, 11, 21\}. 12. Let Z be the set of integers and R be a relation defined in Z such that aRb if (a-b) is divisible by 5. Then R partitions the set Z into ..... pairwise disjoint subsets. A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: D) 5. 13. FInd the inverse of the function. $f\left(x\right)=\frac{3x-15}{2}$ A) $f^{-1}\left(x\right)=-x-5$. B) $f^{-1}\left(x\right)=3x+5$. C) $f^{-1}\left(x\right)=\frac{15+2x}{3}$. D) $f^{-1}\left(x\right)=\frac{2}{3}x-\frac{19}{3}$. Show Answer Correct Answer: C) $f^{-1}\left(x\right)=\frac{15+2x}{3}$. 14. (3, -3) (2, -4) (5, 0) (1, -2)What is the domain of this relation? A) (-3, -4, 0, -2). B) (2, -4). C) (all real numbers). D) (1, 2, 3, 5). Show Answer Correct Answer: D) (1, 2, 3, 5). 15. If f is a bijection from A to B and n (A)=7 then n (B)=?? A) 5. B) 7. C) 6. D) None of the above. Show Answer Correct Answer: B) 7. 16. Molly investigated if the age of students caused them to be better drivers. What is the independent variable? A) Type of car. B) Skill of driving. C) Age of student. D) None of the above. Show Answer Correct Answer: C) Age of student. 17. Which equation is linear?(You may check with Desmos) A) $y=2x+1$. B) $4xy=5$. C) $y=x^2+1$. D) $y=\frac{3}{x}$. Show Answer Correct Answer: A) $y=2x+1$. 18. A non-linear function can be represented by all of the following EXCEPT: A) Parabola. B) Circle. C) Hyperbola. D) Line. Show Answer Correct Answer: D) Line. 19. If f is a bijection from A to B, then n(A)= n(B). A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. The x-value of an ordered pair, represents the horizontal placement of the point A) Origin. B) Ordered Pair. C) X-coordinate. D) Y-coordinate. Show Answer Correct Answer: C) X-coordinate. 21. The admission fee at a carnival is $ 9. Each ride costs $ 1.75. Let r represent the number of rides. Write a rule in function notation to fit this situation. A) F(r) = 9r + 1.75. B) F(r) = 1.75r-9. C) F(r) = 1.75r + 9. D) F(r) = 9r-1.75. Show Answer Correct Answer: C) F(r) = 1.75r + 9. 22. List and explain two properties of relations. A) Continuity and Boundedness. B) Completeness and Density. C) Reflexivity and Symmetry. D) Transitivity and Antisymmetry. Show Answer Correct Answer: C) Reflexivity and Symmetry. 23. Let w(x) = 3x-7. If w(x) = 14, find x. A) 7. B) 35. C) 2.33333. D) -49. Show Answer Correct Answer: A) 7. 24. Inverse Function A) A function that does not have an opposite. B) A function that is the composed of other various functions. C) A function that has been inverted. D) Also known as the "anti-function", the reverse of another function. Show Answer Correct Answer: D) Also known as the "anti-function", the reverse of another function. 25. The following relation is a function. \{(10, 12), (5, 3), (15, 10), (5, 6), (1, 0)\} A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. ← 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