What is the value of b for which the function `f(x)=sinx-bx+c` is decreasing in the interval `(-oo, oo)` ?

The value of b for which the function f(x)=sin x-bx+c is decreasing in the interval (-oo,oo) is given by

The function f(x)=(sinx)/(x) is decreasing in the interval

Find the values of b for which the function f(x)=sinx-b x+c is a decreasing function on R .

Find the values of b for which the function f(x)=sin x-bx+c is a decreasing function on R .

Find the values of b for which the function f(x)=sin x-bx+c is a decreasing function on R.

The function sin x-bx+c will be increasing in the interval (-oo,oo) ,if

Show that the function f(x)=1/x is decreasing in (0,oo) .

Consider the following statements : 1. The function f(x)=x^(2)+2cosx is increasing in the interval (0,pi) 2. The function f(x)=1n(sqrt(1+x^(2)-x)) is decreasing in the interval (-oo,oo) Which of the above statements is/ are correct ?