The greatest value of the funxtion `f(x)=xe^(-x) " in " [0,oo]` is

The greatest value of f(x)=cos(x e^([x])+7x^2-3x),x in [-1,oo], is (where [.] represents the greatest integer function). -1 (b) 1 (c) 0 (d) none of these

The greatest value of f(x)=cos(x e^([x])+7x^2-3x),x in [-1,oo], is (where [.] represents the greatest integer function). -1 (b) 1 (c) 0 (d) none of these

The greatest value of f(x)=cos(x e^([x])+7x^2-3x),x in [-1,oo], is (where [.] represents the greatest integer function). -1 (b) 1 (c) 0 (d) none of these

The greatest value of f(x)=cos(xe^((x])+7x^(2)-3x),x in[-1,oo] is (where [.] represents the greatest tinteger function).-1 (b) 1 (c) 0 (d) none of these

The greatest value of f(x)=cos(x e^([x])+7x^(2)-3x), x in [-1,oo) is :

The greatest value of f(x)=(x+1)^(1//3) on [0,1] is

The greatest value of : f(x) =cos[x e^([x])+7x^(2)-3x], x in [-1, oo) is :

The greatest and the least value of the function, f(x)=sqrt(1-2x+x^(2))-sqrt(1+2x+x^(2)),x in(-oo,oo) are

The greatest and the least value of the function, f(x)=sqrt(1-2x+x^(2))-sqrt(1+2x+x^(2)),x in(-oo,oo) are