Question

Let f be a function defined on (0,2),then the function g(x)=f(9x-1) has domain

Answer 1

if f=0
then
 
g[x] = 0*[9x-1]
       = 0x -0
∴ x=0

if f= 2
then

g[x] = 2*[9x-1}
          18x-2=0
            18x=2
                 x=1/9