Find the maximum and minimum values, if any, of the following function – InterviewSolution

1.	Find the maximum and minimum values, if any, of the following functions given by(iv) f(x) = \|sin 4x + 3\|
Answer» (iv)f(x) = \|sin4+3\| We know that −1 ≤ sin 4x ≤ 1. ∴ 2 ≤ sin 4x + 3 ≤ 4 ∴ 2 ≤ \|sin4+3\| ≤ 4 Hence, the maximum and minimum values of f are 4 and 2 respectively.

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