Respuesta :
♪Answer :
- f(x) = x + 1
- g(x) = x - 1
»(f o g)(x)
»f(g(x))
»f(x - 1)
»x - 1 + 1
»x✅
Answer:
fg(x) = x
Given items:
- f(x) = x + 1
- g(x) = x - 1
solve for fg(x):
→ f g(x)
→ f(x - 1)
→ (x - 1) + 1
→ x
note: go form right to left in such function problems.