Let `f(x) = a + 2b cos^(-1)x, b gt 0`. If domain and range of f(x) are the same set, then (b-a) equal to :

Let f(x)=a+2b cos^(-1)x, b gt0 . If domain and range of f(x) are the same set, then (b-a) is equal to :

Let f(x)=a+2b cos^(-1)x, b gt0 . If domain and range of f(x) are the same set, then (b-a) is equal to :

Let f(x)=a+2b cos^(-1)x,b>0. If domain and range of f(x) are the same set,then (b-a) equal to:

Let h(x)=|k x+5|,then domainof f(x) be [-5,7], the domain of f(h(x)) be [-6,1],and the range of h(x) be the same as the domain of f(x). Then the value of k is. (a)1 (b) 2 (c) 3 (d) 4

Let h(x)=|k x+5| ,then domainof f(x) be [-5,7], the domain of f(h(x)) be [-6,1] ,and the range of h(x) be the same as the domain of f(x). Then the value of k is. (a)1 (b) 2 (c) 3 (d) 4

Let h(x)=|k x+5| ,then domainof f(x) be [-5,7], the domain of f(h(x)) be [-6,1] ,and the range of h(x) be the same as the domain of f(x). Then the value of k is. (a)1 (b) 2 (c) 3 (d) 4

Let h(x)=|k x+5| ,then domainof f(x) be [-5,7], the domain of f(h(x)) be [-6,1] ,and the range of h(x) be the same as the domain of f(x). Then the value of k is. (a)1 (b) 2 (c) 3 (d) 4

Let f(x)=2cos^2x+sqrt(3)*sin2x+1. Then, its domain and range, so that f is an invertible function