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Let f(x)=(|x|)/(x), then f(-3) equals :...

Let `f(x)=(|x|)/(x)`, then `f(-3)` equals :

A

`-3`

B

3

C

1

D

`-1`.

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MODERN PUBLICATION-RELATIONS AND FUNCTIONS -EXERCISE
  1. Let f(x) = [x], then f(-(3)/(2)) is equal to :

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  2. Let f (x) = |x|, then f(-5/2) is :

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  3. Let f(x)=(|x|)/(x), then f(-3) equals :

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  4. State whether each of the following set is finite or infinite: The set...

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  5. State whether each of the following set is finite or infinite: The set...

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  6. The set of circles passing through (0, 0) is :

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  7. The number of subsets of the set {a, b} is :

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  8. The number of subsets of the set {1, 2, 3} is:

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  9. The number of subsets of the set (a, e, i, o, u} is:

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  10. If (x + 1, y - 2) = (3, 1), the value of :

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  11. If (x/3+1, y-2/3)=(5/3, 1/3), find the values of x and y.

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  12. State whether the following statement is true or false. If the stateme...

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  13. The set {x:x is a prime number and divisor of 6} is equal to:

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  14. The set A = {x : x is an odd number less than 10} equals :

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  15. The set {x:x is an integer and -3 < x le 2} is equal to:

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  16. The set of right-angled triangles in a plane is :

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  17. The set of poor students in the class is :

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  18. State whether the following set is finite or infinite : B= {x:x in N a...

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  19. Write the solution set of the equation : x^2+x-2=0 in Roster Form.

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  20. Solution set of equation x^2 + 5x + 6 = 0 in Roster form is :

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