If the curve `y=x^(2)+bx +c ` touches the line y = x at the point (1,1), then the set of values of x for which the curve has a negative gradient is

A curve with equation of the form y=a x^4+b x^3+c x+d has zero gradient at the point (0,1) and also touches the x- axis at the point (-1,0) then the value of x for which the curve has a negative gradient are:

If the parabola y=x^(2)+bx+c , touches the straight line x=y at the point (1,1) then the value of b+c is

A curve with equation of the form y=ax^(4)+bx^(3)+cx+d has zero gradient at the point (0,1) and also touches the x- axis at the point (-1,0) then the value of x for which the curve has a negative gradient are: a.x>=-1 b.x<1 c.x<-1 d.-1<=x<=1

A curve with equation of the form y=a x^4+b x^3+c x+d has zero gradient at the point (0,1) and also touches the x- axis at the point (-1,0) then the value of x for which the curve has a negative gradient are: xgeq-1 b. x<1 c. x<-1 d. -1lt=xlt=1

The curve x^(2)/25 + y^(2)/16 = 2 touches the line x/5 + y/4 = 2 at the point

A curve with equation of the form y=ax^(4)+bx^(3)+cx+d has zero gradient at the point (0,1) and also touches the x -axis at the point (-1,0) then a=3 b.b=4 c.c+d=1 d.for x<-1, the curve has a negative gradient

The curves y=x^(2)+x+1 and 2y=x^(3)+5x touch each other at the point

A curve with equation of the form y=ax^(4)+bx^(3)+cx+d has zero gradient at the point (0,1) and also touches the x-axis at the point (-1,0) then a=3 (b) b=4c+d=1 for x<-1, the curve has a negative gradient

The curves y=x^(3)+x+1 and 2y=x^(3)+5x touch each other at the point

The curve x^(n)/a^(n) + y^(n)/b^(n) = 2 touches the line, x/a + y/b = 2 at the point,