Question

(f o g)-1 (x)= 15x+2
g (2)= 10
nilai f (2)=...?
tlg bantu fungsi invers yaa

Answer 1

(f o g)^-1 (x) = 15x + 2
f(x) = (f o g)^-1 (g(x))
f(2) = (f o g)^-1 (g(2)) = (f o g)^-1 (10) = 15(10) + 2 = 152