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  4. If the range of the function f(x)=6x+3x+6- x+3- x+2 is [k , ∞ , then the value of k is

Q. If the range of the function is , then the value of is

NTA AbhyasNTA Abhyas 2022 Report Error

Solution:

We have,
Since, and
Therefore,

Thus,
Hence, the value of is

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