Class 11 Mathematics Chapter 2 Relations And Functions Quiz 10 (60 MCQs)

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1. Ordered pairs is called what?
2. An equation is shown.y=-3x-12When the value of the range is-18, what is the value of the domain?
3. Sophie earned Php 500 for every 90 she got on her report card.The dependent variable is:
4. 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
5. 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.
6. Janet was given the function f(x) = 3/2 x-5. Determine f(6).
7. In the form y = mx + b, the b represents .....
8. A x B is the set of all possible ordered pairs between the elements of A and B such that the first coordinate is an
9. The collection of all Y-values or outputs are called what?
10. Given that f(x) = 4x and g(x) = 3x-5. Find the value of f(2)-g(1)
11. The value of $\cot\left(\sin^{-1}x\right)$
12. Mike wants to save money to buy a gift for his mother's birthday. He plans to save Php 10 everyday. What is the dependent variable in the problem?
13. Subset of a catesian product is
14. For what value/s of k will (3k, -1) and (k+1, 0), NOT a function?
15. What is the range of this function? (3, 5) (-3, 4), (1, 9), and (4, 7)
16. A ONE-ONE FUNCTION IS ALSO CALLED AS .....
17. What is f(5) for the function f?f(x) = 2(x-7)
18. Given triangles with sides T1:3, 4, 5; T2:5, 12, 13; T3:6, 8, 10; T4:4, 7, 9 and a relation R in set of triangles defined as R = \{($\Delta$1, $\Delta$2):$\Delta$1 is similar to $\Delta$2\}. Which triangles belong to the same equivalence class?
19. $f\left(x\right)=2x-5\\\\and\\\\g\left(x\right)=-6x+1$ $f\left(4\right)+g\left(5\right)$
20. R is a relation from \{11, 12, 13\} to \{8, 10, 12\} defined by y = x-3 . Then, $R^{-1}$
21. What point is represented by g(7) = 14?
22. In a relation, what term refers to the set of all x-values or inputs?
23. Given {(3, Prime), (4, Composite), (5, Prime), (6, Composite)}, what is the RANGE?
24. What is a Universal Relation in a set A?
25. This relation is a function. True or false?{(4, 2), (5, 3), (6, 2), (3, 2), (2, 2)}
26. The admission fee at a carnival is $ 9. Each ride costs $ 1.75. Let r represent the number of rides. What would be the total cost to ride 12 rides?
27. Evaluate f(-2) if f(x) = x+3
28. Give the y-intercepty = 3x + 8
29. What is the domain of the function:{(2, 3), (4, 3), (6, 3), (8, 5)
30. Which of the following represents a Function?
31. If $f(x)=7x-4$ $f\left(-2\right)$
32. Graph the function f(x) = |x-1| and identify its vertex.
33. Is the relation a function? {(4, 5), (4, -7), (4, 2), (4, 0), (4, 9)}
34. The domain of the function $y=\sin^{-1}\left(-x^2\right)$
35. Using this list of ordered pairs, determine if it is a function:$F=\left\{\left(1, 2\right), \left(2, 3\right), \left(3, 4\right), \left(4, 5\right), \left(1, 5\right)\right\}$
36. What is a Hasse diagram and what does it represent?
37. For the function (0, 1), (1, -3), (2, -4), & (-4, 1), which choice gives the correct domain & range?
38. Give the domain and range of the relation.{(-2, -1), (-1, 0), (0, -1), (1, 0), (2, -1)}
39. Level 2 Y = 4X + 5 if X =-2What does Y equal?
40. Relation R in the set A of all the books in a library of a college, given by R = {(x, y):x and y have the same number of pages} is
41. Which kind of relation below is a function?
42. True or False:The x-intercept of a function ALWAYS has a zero as the y-coordinate.
43. A relation that pairs each input with exactly one output is a .....
44. Which set of values is not a function?
45. Define the term 'mapping' in relation to functions.
46. Let A = {1, 2, 3} and consider the relation R = {1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3)}. Then R is
47. The origin is represented by the ordered pair .....
48. A relation where every input in matches with exactly one output is called what?
49. Which of the following sets of ordered pairs defines a function?
50. If f(x) =-4x-5 and g(x) = 3-x, what is g(-4) + f(1)?
51. What is the range of the relation represented by the ordered pairs {(-2, 8), (1, 6), (4, 4), (7, 2), (10, 0)}?
52. If f(x) = 3x-4 and g(x) = 4x$^{2, }$find f(-7).
53. If any vertical line passes through the graph of a relation no more than once, then it is a function.
54. Orin has three sets of ordered pairs. Which of Orin's sets represents functions?I. {(0, 0), (0, 1), (0, 2), (0, 3), (0, 4)II. {(0, 0), (1, 1), (2, 2), (3, 3), (4, 4)III. {(0, 0), (1, 0), (2, 0), (3, 0), (4, 0)
55. Is the relation a function?{(5, 7), (5, 6), (5, 5), (5, 4)}
56. The first coordinate of an ordered pair in a relation is the ..... ?
57. If f:R $\rightarrow$ R be defined by f(x) = 3x$^{2}$-5 and g:R $\rightarrow$ R by g(x) = x/(x$^{2}$ + 1), then g o f is
58. What is the range of the ordered pairs {(3, 4), (4, 5), (5, 6), (6, 7), (7, 8)}?
59. Let A = {1, 2, 3, ..... n} and B = {a, b}. Then the number of surjections from A into B is
60. What is a partially ordered relation?