the functions f and g are defined by
f(x)=2/(x+1), x>0 g(x)=1-x^2, xER
a)find value of fg(x)giving your answer in the simplest form.
b) find f^-1(x)
c) solve f(x)= f^-1(x)
f(x)=2/(x+1), x>0 g(x)=1-x^2, xER
a)find value of fg(x)giving your answer in the simplest form.
b) find f^-1(x)
c) solve f(x)= f^-1(x)