The minimum value of `f(x)=x^4-x^2-2x+6` is (a) 6 (b) 4 (c) 8 (d) none of these

The minimum value of f(x) =|(3-x)| + 7 is a)0 b)6 c)7 d)8

The minimum value of 2x^(3) - 9x^(2) + 12 x + 4 is a)4 b)5 c)6 d)8

Let |[x,2,x],[x^2,x,6],[x,x,6]|=a x^4+b x^3+c x^2+dx+edot Then, the value of 5a+4b+3c+2d+e is equal (a)0 (b) -16 (c) 16 (d) none of these

If 3/4 is equivalent to x/(28), then the value of x is (a) 6 (b) 7 (c) 8 (d) None of the above

Let f(x)=(x-a)^2+(x-b)^2+(x-c)^2dot Then, f(x) has a minimum at x= (a+b+c)/3 (b) 1/2 (c) 1/8 (d) none of these

Let |x2xx^2x6xx6|=a x^4+b x^3+c x^2+dx+edot Then, the value of 5a+4b+3c+2d+e is equal 0 (b) -16 (c) 16 (d) none of these

Let |x2xx^2x6xx6|=a x^4+b x^3+c x^2+dx+edot Then, the value of 5a+4b+3c+2d+e is equal 0 (b) -16 (c) 16 (d) none of these

if (6x^2-5x-3)/(x^2-2x+6)<=4 , then the least and the highest values of 4x^2 are : (a) 0 and 81 (b) 9 and 81 (c) 36 and 81 (d) None of these

If f(x)=sin^6x+cos^6x , then range of f(x) is [1/4,1] (b) [1/4,3/4] (c) [3/4,1] (d) none of these

If f(x)=sin^6x+cos^6x , then range of f(x) is [1/4,1] (b) [1/4,3/4] (c) [3/4,1] (d) none of these