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The functions f satisfies the functional...

The functions f satisfies the functional equations ` 3f (x) + 2f ((x+59)/(x-1)) =10 x + 30 ` for all real ` x ne 1` . The value of f (7) is : a)8 b)4 c)-8 d)11

A

8

B

4

C

`-8`

D

11

Text Solution

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The correct Answer is:
B
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