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Let f={(x, y)|x, yin N and y=2x} be a re...

Let `f={(x, y)|x, yin N and y=2x}` be a relation on N. Find the domain, co-domain and range. Is this relation a function?

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The correct Answer is:
Domain of R=`{1, 2, 3, 4,...} `
Range`={2, 4, 5, 6, 8..}`
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SURA PUBLICATION-RELATIONS AND FUNCTIONS-EXECRISE 1.3
  1. Let f={(x, y)|x, yin N and y=2x} be a relation on N. Find the domain, ...

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  2. Let X={3, 4, 6, 8}. Determine whether the relation R={x, f(x)|xinX, f(...

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  3. Given the function f:x to x^(2)-5x+6, evaluate f(-1)

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  4. Given the function f:x to x^(2)-5x+6, evaluate f(2a)

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  5. Given the function f:x to x^(2)-5x+6, evaluate f(2)

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  6. Given the function f:x to x^(2)-5x+6, evaluate f(x-1)

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  7. A graph representing the function f(x) is given in figure it is clear ...

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  8. A graph representing the function f(x) is given in figure it is clear ...

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  9. A graph representing the function f(x) is given in figure it is clear ...

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  10. A graph representing the function f(x) is given in figure it is clear ...

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  11. Let f(x)=2x+5. If xne0 then find (f(x+2)-f(2))/(x)

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  12. A function is defined by f(x)=2x-3 Find (f(0)+f(1))/(2).

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  13. A function is defined by f(x)=2x-3 Find x such that f(x)=0.

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  14. A function is defined by f(x)=2x-3 Find x such that f(x)=x.

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  15. A function is defined by f(x)=2x-3 Find x such that f(x)=f(1-x).

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  16. An open box is to be made from a square piece of material, 24 cm on a ...

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  17. A function f is defined by f(x)=3-2x. Find x such that f(x^(2))=(f(x))...

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  18. a plane is flying at a speed of 500 km per hour. Express the distance ...

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  19. The data in the adjcent table depicts the length of a woman's forehead...

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  20. The data in the adjcent table depicts the length of a woman's forehead...

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