Find the absolute minimum value of `y = x^2 - 3x` in `0 le x le 2`.

Find the aboslute minimum value of y = lambda - 3x in 0 le x le 2

Find the absolute maximum and minimum values of f(x) = x + sin 2 x on (0,2 pi) and also find the points of (absolute maximum and minimum.

Find the (absolute) maximum and minimum values of f(x) = -4sin x + 2x in (0,pi/2)

Find the absolute maximum and the absolute minimum value of the function given by: y = x + sin 2x in [0,2pi]

Find the absolute maximum and the absolute minimum value of the function given by: y = 2 cos 2x - cos 4x, 0 le x le pi

Find the absolute maximum and minimum values of the function. f(x) = (x)/(x^2+1), - 3 le x le 3