Question

Tentukan rumus fungsi g(x) ,jija f(x)= x-2 dan ( f ° g) (x)= X2 + 4

Answer 1

Answer 2

(fog)(x)=x²+4
f(g(x))=x²+4
x-2 =x²+4
f(x)-2=x²+4
f(x)=x²+4+2
f(x)=x²+6