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Let A = {1, 2, 3}, then the number of eq...

Let A = {1, 2, 3}, then the number of equivalence relations containing (1,2) is (a) 1 (b) 2 (c) 3 (d) 4 .

A

1

B

2

C

3

D

4

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Let A = {1, 2, 3} Then number of equivalence relations containing (1, 2) is:

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MODERN PUBLICATION-RELATIONS AND FUNCTION-EXAMPLE
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  12. If f(x) = (x+1)/(x+2) and g(x) = x^2, then find gof.

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  13. Find gof and fog, if f(x) = |x| and g(x) = |5x -2|

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  14. Let f(x) = (4x+3)/(6x-4), x ne 2/3 .show that fof (x) = x.

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