Question

You can helps me? f(x) = x + 1 g(x) = x - 1 (f o g)(x) = ? ​

Answer 1

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.

Answer 2

♪Answer :

• f(x) = x + 1
• g(x) = x - 1

»(f o g)(x)

»f(g(x))

»f(x - 1)

»x - 1 + 1

»x✅