List of top Statistics Questions on Maxima and Minima

The maximum values of the function
\(\sin(x)+\cos(2x)\), are

Function, \(f(x) = -|x-1|+5, \forall x \in R\) attains maximum value at x =

It is given that at x = 1, the function \(f(x) = x^4 - 62x^2 + ax + 9\), attains its maximum value in the interval \([0, 2]\). Then, the value of 'a' is