This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Mathematics > Class 11 Mathematics Chapter 2 Relations And Functions – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 2 Relations And Functions Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Explain the difference between a function and a relation. A) A function and a relation are the same concept. B) A function can map one input to multiple outputs, whereas a relation maps each input to exactly one output. C) A function maps each input to exactly one output, whereas a relation can map one input to multiple outputs. D) A function always has a linear relationship, while a relation can be non-linear. Show Answer Correct Answer: C) A function maps each input to exactly one output, whereas a relation can map one input to multiple outputs. 2. A line has an equation of y = 2x-4. What is the value of y when x = 2? A) 0. B) 2. C) -4. D) 4. Show Answer Correct Answer: A) 0. 3. F(x) =4 then find f(0)= ..... A) X. B) 4. C) 1. D) 0. Show Answer Correct Answer: B) 4. 4. Given $f\left(x\right)=3x+9$ $f\left(-4\right)$ A) $-3$. B) $-12$. C) $8$. D) $21$. Show Answer Correct Answer: A) $-3$. 5. A relation R is defined in set A = {1, 2, 3} as R = {(1, 2), (2, 1), (1, 1)}. The relation R is A) Reflexive. B) Symmetric. C) Transitive. D) Symmetric and Transitive. Show Answer Correct Answer: B) Symmetric. 6. What is the graph of a modulus function? A) Horizontal line. B) Straight line passing through the origin. C) V-shaped curve. D) Curve with varying degrees. Show Answer Correct Answer: C) V-shaped curve. 7. REAL NUMBERS R = Q U Q$^{I }$IF Q IS THE SET OF RATIONAL NUMBERS, THEN Q$^{I }$ IS ..... A) NATURAL NUMBERS. B) WHOLE NUMBERS. C) INTEGERS. D) IRRATIONAL NUMBERS. Show Answer Correct Answer: D) IRRATIONAL NUMBERS. 8. The set of all second coordinates (or y-values) of a relation or function. A) Range. B) Domain. C) Origin. D) Zeros. Show Answer Correct Answer: A) Range. 9. The result of substituting a value into a function A) Vertical Line Test. B) Input. C) Function Notation. D) Output. Show Answer Correct Answer: D) Output. 10. A relation is a set of A) Sets. B) Functions. C) Ordered pairs. D) Ordinates. Show Answer Correct Answer: C) Ordered pairs. 11. What is the domain of the function?{ (0, 2) (-3, 6) ( 4, 8) ( 2, 5) (-2, 4) } A) {(0, 2) (-3, 6) ( 4, 8) ( 2, 5) (-2, 4)}. B) {0, -3, 4, 2, -2 }. C) {2, 6, 8, 5, 4 }. D) None of the above. Show Answer Correct Answer: B) {0, -3, 4, 2, -2 }. 12. Illustrates (picture) how each element of the domain is paired with an element of the range. A) Function notation. B) Function. C) Mapping diagram. D) None of the above. Show Answer Correct Answer: C) Mapping diagram. 13. Verify if the ordered pairs below represent a function or not. G:{ ( 0, 2), (1, 3), (2, 4), (3, 5), (4, 6) } A) Yes, it is a function because the abscissa of the domain corresponds to one and only one value in the range. B) Yes, it is a function because the abscissa of the domain corresponds to at most one value in the range. C) No, because the range is one-to-many. D) No, because the value of the range has at least one value in the domain. Show Answer Correct Answer: A) Yes, it is a function because the abscissa of the domain corresponds to one and only one value in the range. 14. A relation in which each element of the domain is paired with exactly one element of the range A) Mapping. B) Domain. C) Function. D) Range. Show Answer Correct Answer: C) Function. 15. If h(a) = 3-2a$^{}$Find h(-3). A) -2. B) 9. C) 12. D) -3. Show Answer Correct Answer: B) 9. 16. If f(x)=3x-9, find f(5). A) F(5) =-4. B) F(5) = 24. C) F(5) = 6. D) F(5) = 16. Show Answer Correct Answer: C) F(5) = 6. 17. What is a one-to-one function? A) A function where each output is paired with exactly one input. B) A function that can have multiple outputs for a single input. C) A function that is always increasing or decreasing. D) A function that maps inputs to outputs randomly. Show Answer Correct Answer: A) A function where each output is paired with exactly one input. 18. A function graphed with a line or smooth curve is called a A) Continuous graph. B) Discrete graph. C) Function. D) Coordinate plane. Show Answer Correct Answer: A) Continuous graph. 19. Which equation is written in Standard Form? A) $7y-2x+9=0$. B) $8-x=2y$. C) $5y-8=6x$. D) $3x+2y=6$. Show Answer Correct Answer: D) $3x+2y=6$. 20. If f(x) = 2 $x^2$ $\frac{1}{3x}$ A) $\frac{2}{9x^2}$. B) $\frac{1}{6x^2}$. C) $\frac{2}{3x^2}$. D) $\frac{3}{2x^2}$. Show Answer Correct Answer: A) $\frac{2}{9x^2}$. 21. Consider the set A = {1, 2, 3} and the relationR = {(1, 2), (1, 3)}. A) Reflexive. B) Symmetric. C) Transitive. D) None of these. Show Answer Correct Answer: C) Transitive. 22. What is a non-linear function? A) A function that can only be represented by linear equations. B) A function that has a constant rate of change. C) A function that includes curves, parabolas, etc. D) A function that graphs to a straight line. Show Answer Correct Answer: C) A function that includes curves, parabolas, etc. 23. Let f and g be two functions given by f = {(0, 1), (2, 0), (3, -4), (4, 2), (5, 7)} g = {(0, 2), (1, 0), (2, 4), (-4, 2), (7, 0)} then the range of fog is A) 0, 2, 3, 4, 5}. B) {0, 1, 2}. C) {1, 2, 3, 4, 5}. D) {-4, 1, 0, 2, 7}. Show Answer Correct Answer: B) {0, 1, 2}. 24. What does an inverse function do? A) Nothing. B) Makes it bigger. C) Does the opposite of the original function. D) None of the above. Show Answer Correct Answer: C) Does the opposite of the original function. 25. Is a set of all the first coordinates or x-coordinates of the ordered pairs of a relation? A) Relation. B) Domain. C) Range. D) Function. Show Answer Correct Answer: B) Domain. 26. Is this set of ordered pairs a function or not a function? {5, -2), (3, -5), (2, -5), (0, -2), (-1, -3)} A) Function. B) Not a Function. C) All the above. D) None of the above. Show Answer Correct Answer: A) Function. 27. What is the Y coordinate? A) The y value of an ordered pair, represents the vertical placement of the point. B) A set of ordered points. C) The x value of an ordered pair that represents vertical placement of the point. D) Football. Show Answer Correct Answer: A) The y value of an ordered pair, represents the vertical placement of the point. 28. What is the range of the function {(4, 3), (2, -2), (3, -1), (5, -3)}? A) {4, 3, 2, -2, -1, 5, -3}. B) {-3, -2, -1, 3}. C) {3, -1, -3}. D) {4, 2, 3, 5}. Show Answer Correct Answer: B) {-3, -2, -1, 3}. 29. If f:A$\rightarrow$B is an onto function then, the range of f = A) B. B) 0. C) 1. D) A. Show Answer Correct Answer: A) B. 30. A relationship between two variables is called a ..... A) Table. B) Correlation. C) Function. D) Relation. Show Answer Correct Answer: B) Correlation. 31. Which of the following equations is not a function? A) $y=6x+1$. B) $y=x^2$. C) $y=5$. D) $x=10$. Show Answer Correct Answer: D) $x=10$. 32. A relation where every input has exactly one output is called what? A) Relation. B) Function. C) Exponential. D) Linear. Show Answer Correct Answer: B) Function. 33. A set of numbers or coordinates written in the form (x, y) A) Y-coordinate. B) X-coordinate. C) Ordered Pair. D) Origin. Show Answer Correct Answer: C) Ordered Pair. 34. Why isn't a vertical line a function? A) A vertical line is not a function because for any y-value, the x value always changes. B) A vertical line is not a function because the x value always changes for any y-value. C) A vertical line is not a function because the x-value never changes for any y-value. D) None of the above. Show Answer Correct Answer: C) A vertical line is not a function because the x-value never changes for any y-value. 35. Do the ordered pairs below represent a relation, a function, both a relation and a function, or neither a relation nor a function?(-3, 5), (3, -7), (7, -15), (9, -19) A) Function only. B) Neither a relation nor a function. C) Both a relation and a function. D) Relation only. Show Answer Correct Answer: C) Both a relation and a function. 36. The rule 5x + y = 3 represents a relation. What would be the value of y when x =-3? A) 12. B) -18. C) 18. D) -12. Show Answer Correct Answer: C) 18. 37. What is the range of the functionf(x) = x$^{2 }$-9when the domain is \{-3, 3\}? A) {-3, 0}. B) {-18}. C) {0}. D) {0, 18}. Show Answer Correct Answer: C) {0}. 38. Let f:R $\rightarrow$ R be defind by f(x) = $\frac{1}{x}$ A) One-one. B) Bijective. C) F is not defined. D) Onto. Show Answer Correct Answer: C) F is not defined. 39. What is the best definition of function? A) A special relation. B) Any set of ordered pairs. C) Every output has exactly one input. D) Every input has exactly one output. Show Answer Correct Answer: D) Every input has exactly one output. 40. If there is at least one input with multiple outputs, is the relation a function? A) No. B) Yes. C) Depends on the context. D) Maybe. Show Answer Correct Answer: A) No. 41. $y=\frac{2}{3}x-\frac{1}{2}$ A) $y=\frac{2}{3}x+\frac{3}{4}$. B) $y=\frac{3}{2}x-\frac{3}{4}$. C) $y=-\frac{2}{3}x-\frac{3}{4}$. D) $y=\frac{3}{2}x+\frac{3}{4}$. Show Answer Correct Answer: D) $y=\frac{3}{2}x+\frac{3}{4}$. 42. What is the x-intercept in the equation x-2y = 4 A) (4, 0). B) (-2, 0). C) (2, 0). D) (-4, 0). Show Answer Correct Answer: A) (4, 0). 43. Let A = {7, 8, 9 }, B = {7, 8, 9 } .f is onto function from A to B. Which of the following is correct A) F is not one-one function. B) F may be one-one or many one. C) F is injective function. D) None of the above. Show Answer Correct Answer: A) F is not one-one function. 44. What is f(6) for the function f(x)=3x-8 A) 10. B) -8. C) Answer not here. D) -144. Show Answer Correct Answer: A) 10. 45. Which scenario is described by the function:$y=3+x$ A) Timothy (y) is taller than his son (x) three times. B) A marble (x) is one third the weight of a rock (y). C) Destiny (y) is 3 years younger than Roy (x). D) Haley (y) has 3 more apples than Tanya (x). Show Answer Correct Answer: D) Haley (y) has 3 more apples than Tanya (x). 46. Simplify as fully as possible 18:24:30 A) 3:4:5. B) 6:8:10. C) 9:12:15. D) 2:3:4. Show Answer Correct Answer: A) 3:4:5. 47. If R is a relation on the set A={1, 2, 3} given by R = {(1, 1), (2, 2), (3, 3)}, then R is A) Reflexive. B) Symmetric. C) Equivalence. D) Transitive. Show Answer Correct Answer: C) Equivalence. 48. The set of all of the y values or outputs is called what? A) Relation. B) Function. C) Domain. D) Range. Show Answer Correct Answer: D) Range. 49. Any equation represented in a graph is called as ..... A) Curve. B) Arrow. C) Triangle. D) Circle. Show Answer Correct Answer: A) Curve. 50. Which ordered pair could you add to the following list of points to create a function? (3, 5) (4, 9) (2, 5) A) (2, 6). B) (4, 1). C) (1, 9). D) (3, 7). Show Answer Correct Answer: C) (1, 9). 51. When identifying functions using tables, I know that the table represents a FUNCTION when ..... A) The input values repeat. B) There is only ONE input value for each output value. C) The output values appear more than once. D) None of the above. Show Answer Correct Answer: B) There is only ONE input value for each output value. 52. How do you find the slope of a linear function? A) By calculating the product of the x-values of two points. B) By taking the difference in y-values divided by the difference in x-values (rise/run). C) By averaging the x-values of two points on the line. D) By finding the midpoint of the two points on the line. Show Answer Correct Answer: B) By taking the difference in y-values divided by the difference in x-values (rise/run). 53. TRUE or FALSEIf f is an invertible function and f(a) = b, then f$^{-1}$(b) = a. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 54. If codomain and range are same for a function f from A to B then the function is A) One-one. B) Bijective. C) Many one. D) Onto. Show Answer Correct Answer: D) Onto. 55. The set of first numbers (x-values) of the ordered pairs in a relation A) Mapping. B) Range. C) Function. D) Domain. Show Answer Correct Answer: D) Domain. 56. Identify {(1, 2), (1, 3), (3, 4), (4, 5)} A) RANGE. B) NOT FUNCTION. C) DOMAIN. D) FUNCTION. Show Answer Correct Answer: B) NOT FUNCTION. 57. For the function {(0, 1), (1, -3), (2, -4), (-4, 1)}, what is the domain and range? A) D:{-4, -3, 1}R:{-4, 0, 1, 2}. B) D:{(0, 1), (1, -3)}R:{(2, -4), (-4, 1)}. C) D:{0, 1, 2, 3, 4}R:{-4, -3, 1}. D) D:{-4, 0, 1, 2}R:{-4, -3, 1}. Show Answer Correct Answer: D) D:{-4, 0, 1, 2}R:{-4, -3, 1}. 58. Let A = { 1, 2, 3 } and R = { (1, 2), (2, 3), (1, 3)} be a relation on A. Then, R is A) Neither reflexive nor transitive. B) Neither symmetric nor transitive. C) Transitive. D) None of these. Show Answer Correct Answer: C) Transitive. 59. What is the value of [-2.00001] A) 2. B) -2. C) 2.00001. D) -3. Show Answer Correct Answer: D) -3. 60. Let f be a function on set A = {1, 2, 3, 4, 5} such that f = {(1, 1) (2, 2), (3, 3) (4, 4), (5, 5) } A) F is injective but not surjective. B) F is surjective but not injective. C) F is bijective. D) None of the above. Show Answer Correct Answer: C) F is bijective. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books