This question is really hard solve it ):

(gof)(x) = g(f(x)) = 1/(x+3)^2

so if f(x) = x+3 and g(x) = 1/x^2
then

g(f(x)) = 1/(x+3)^2 matching given info above...(gof)(x) = g(f(x)) = 1/(x+3)^2

answer
C. f(x) = x+3 and g(x) = 1/x^2

Idon’t know what the answer is i wish i could