Question

To f! AB and g: BC are defined by F(x)
=ra and g(x) = x² then fond gof(x.​

Answer 1

Answer:

Given that f(x)=cosx and g(x)=3x2

Given f:R→R and g:R→R,

∴f o g:R→R and g o f:R→R

f o g(x)=f(g(x))=f(3x2)=cos(3x2)

g o f(x)=g(f(x))=g(cosx)=3cos2x

Since cos(3x2)=3cos2x.

∴g o f=f o g

Step-by-step explanation: