Maximum value of `-5x^2+2x+3` is

The maximum value of 23 - |2x + 3| is

The maximum value of 10x-5x^(2)-1 is

The maximum value of 10x-5x^(2)-1 is

For the real values of x, the maximum value of 7+10x-5x^(2) is

The maximum value of 10 x - 5x^2-1 is

IF A,B,C are the maximum value of 2x +5 -x^2 ,x -1 -2x^2 , 5x + 2 - 3x^2 then the descending order of A,B,C is

the maximum value of 7/5 -(x-2/3) ^2 is

State True or False: The maximum value of Z = 5x + 3y subject to constraints 3x + y le 12, 2x + 3y le 18, 0 le x ,y is 20.

A particle moving on x - axis has potential energy U = 2 - 20x + 5x^(2) joule along x - axis. The particle is relesed at x = -3 . The maximum value of x will be ( x is in metre)