Domain and Range (Grade 10)

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Domain and Range

1. 
Find the Domain and Range.

{ (0, 2), (9, 3), (3, 7), (6, 3), (7, 3) }
  1. Domain : { 0, 1, 3, 5, 9 } Range : { 1, 2, 3, 4, 8 }
  2. Domain : { 0, 3, 6, 7, 9 } Range : { 2, 3, 7 }
  3. Domain : { 2, 4, 7, 8 } Range : { 1, 4, 5, 6, 9 }
  4. Domain : { 0, 3, 4, 7, 8 } Range : { 0, 1, 5, 6, 8 }
2. 
Find the Domain and Range.

{ (3, 1), (7, 5), (4, 8), (0, 6), (8, 0) }
  1. Domain : { 1, 2, 3, 4, 9 } Range : { 2, 3, 7 }
  2. Domain : { 0, 3, 4, 7, 8 } Range : { 0, 1, 5, 6, 8 }
  3. Domain : { 2, 4, 7, 8 } Range : { 1, 4, 5, 6, 9 }
  4. Domain : { 1, 2, 3, 6, 9 } Range : { 2, 4, 7, 8, 9 }
3. 
Find the domain and range.

{(8,3), (2,7), (0,3), (5,9), (1,2)}
  1. D: {0, 1, 2, 5, 8}, R: {2, 3, 3, 7, 9}
  2. D: {0, 1, 2, 5, 8}, R: {2, 3, 7, 9}
  3. D: {2, 3, 7, 9}, R: {0, 1, 2, 5, 8}
  4. D: {2, 3, 3, 7, 9}, R: {0, 1, 2, 5, 8}
4. 
What is the domain of the following function? {(-3,-7), (-2,-5), (-1,-3), (0,-1), (1,1), (2,3), (3,5)}
  1. {-3, -2, -1, 0, 1, 2, 3}
  2. {1, 3, 5, 7}
  3. {0, 1, 2, 3}
  4. {-7, -5, -3, -1, 1, 3, 5}
5. 
Given the function [math]f(x) = 3x - 2[/math], what is the domain?
  1. [math]{x in RR | x < 2/3}[/math]
  2. [math]{x in RR | x > 3/2} [/math]
  3. [math]{x in RR | -3/2 < x < 3/2} [/math]
  4. [math]RR[/math]
6. 
What is the range of the function [math]g(x) = -4x - 2/3 ?[/math]
  1. [math]RR[/math]
  2. [math]{y in RR | y > -2/3} [/math]
  3. [math]{y in RR | y > -1/6}[/math]
  4. [math]{y in RR | -4 < y < 2/3} [/math]
7. 
Given the function [math]f(x) = 3x^2 + 10x -8[/math], what is its domain?
  1. [math]{ x in RR | -4 <= x <= 2/3} [/math]
  2. [math] RR[/math]
  3. [math]{x in RR | x > -8}[/math]
  4. [math]{x in RR | x > 0}[/math]
8. 
Let [math]f[/math] be the function that takes any integer, and adds 0.5 to it. What is the domain of this function?
  1. [math]RR[/math]
  2. [math]ZZ[/math]
  3. [math]{x in RR | x>0}[/math]
  4. [math]{x in RR | x < 0}[/math]
9. 
Let [math]f(x) = x^2 - 2x - 15[/math]. What is the range of [math]f ?[/math]
  1. [math]{y in RR | y >= 15}[/math]
  2. [math]{y in RR | y <= -16}[/math]
  3. [math]{y in RR | y >= -16}[/math]
  4. [math]RR[/math]
10. 
If the domain of the function [math]f(x) = 5x^2 - 3[/math] is restricted to the values [math]{2,4,6,8}[/math], what is the range of this function?
  1. [math]RR[/math]
  2. [math]{17, 77, 177, 317}[/math]
  3. [math]{2,4,6,8}[/math]
  4. [math]{x in RR | x >=-3}[/math]

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