The maximum value of the quadratic expression `2x-7-5x^2` is `(i) 34/3 (ii) -34/3 (iii) 32/3 (iv) -32/3`

The maximum value of the quadratic expression 12x-x^(2)-32 is

Find the values of the following expressions for x=2. (i) x+4 (ii) 4x-3 (iii) 19-5x^2 (iv) 100-10x^3

Find the values of the following expressions for x=2. (i) x+4 (ii) 4x-3( iii) 19-5x^(2) (iv) 100-10x^(3)

Find the maximum or minimum values of the following expressions i) 2x -7 – 5x^(2) ii) 3x^(2)+2x+11 iii) ax^(2)+bx+a, a,b in R, a != 0 iv) x^(2)-x+7

Find the value of the following expressions for x=2i) x+4 ii) 4x-3 iii) 19-5x^2 iv) 100-10x^3

Find the maximum or minimum values of the following expressions on R i) 2x + 5 – 3x^(2) ii) 12x - x^(2)-32

Find all possible values ( range) of the quadratic expression: 1+6x -x^2 , when x in [-3,2] .

Find all possible values ( range) of the quadratic expression: 1+6x -x^2 , when x in [-3,2] .

Find : (i) 9^(3/2) (ii) 32^(2/5) (iii) 16^(3/4) (iv) 125^((-1)/3)