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The function `f` satisfies the functional equation `3f(x)+2f((x+59)/(x1))=10 x+30` for all real `x!=1.` The value of `f(7)i s` 8 (b) 4 (c) `-8` (d) 11

A

`-4`

B

4

C

`-2`

D

2

Text Solution

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The correct Answer is:
B
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