H(x)=(g o f)(x)=1/(x+3)^2 which of the fallowing could be a possible decomposition of h(x)? a. f(x)=1/x^2; g(x)=x+3 b. f(x)=x+3; g(x)=1/x^2 c. f(x)=x^2; g(x)=x+3 d. f(x)=1/x; g(x)=x+3