[" & Chrain the maximum and minimum whurs of the function "],[" und "x+" con "x+3" in thin interval "0

Find the maximum and minimum values of the function f(x) = x + 4/x, x < 0

Obtain the maximum and minimum values of the function cos^(2)x+cosx+3 in the interval 0lexle(pi)/(2) .

Find the sum of the local maximum and local minimum values of the function f (x) = (tan 3x)/(tan^(3) x) on interval (0 , pi//2) .

Find the absolute maximum and minimum values of the function. f(x) = sin^2 x - cos x, x in (0, pi)

Find the (absolute) maximum and minimum values of the following functions in the indicated intervals also find points of (absolute) maxima and minima. f(x) = x^3 - 3x^2 + 3x + 8 in (0,10)

Find the (absolute) maximum and minimum values of the following functions in the indicated intervals also find points of (absolute) maxima and minima. f(x) = (x+1)/(sqrt(x^2+1)) , 0 le x le 2

Prove that maximum and minimum values of the function x^(3)-18x^(2)+96x in the interval (0,9) are given by 160 and 128 respectively.