The maximum and minimum values of the function |sin 4x+3| are

1, 2

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4, 2

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2, 4

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– 1, 1

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Solution

The correct option is B 4, 2
Here f(x)=|sin 4x+3|
We know that minimum value of sin x is -1 and maximum is 1.
Hence minimum |sin 4x+3|=|-1+3|=2 and maximum |sin 4x+3|=|1+3|=4.

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