Let be a function defined by f(x) = cos[x]. Write range (f). A mathematical expression defines the domain and codomain of a function as f maps from the open interval (-pi/2, pi/2) to R.

Q16 of 215 Page 3

Let be a function defined by f(x) = cos[x]. Write range (f).

Given:-

(i)

(ii)f(x)=cos[x]

Domain=

For f(x)= cos [x]

Range ={1,cos1,cos2}

If f : C → C is defined by f(x) = (x – 2)³, write f^–1(–1).

If f :R→R is defined by f(x) = 10x –7, then write f^–1(x).

If f : R → R defined by f(x) = 3x – 4 is invertible then write f^–1(x).

If f : R → R, g : R → R are given by f(x) = (x + 1)² and g(x) = x² + 1, then write the value of fog (–3).