JEE Advanced 2021 Full Test 4 Paper 2

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SECTION – B (Single Digit Integer Type)
This section contains 06 questions. The answer to each question is a Single Digit integer ranging from 0 to 9, both inclusive.

Question : 46 of 54

Marks: +1, -0

If f(x)=[9x−3x+1]‌∀x∈(−∞,1) ([.] denotes the greatest integer function) then number of elements in range of f(X) are

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