Question

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

Answer 1

♪Answer :

• f(x) = x + 1
• g(x) = x - 1

»(f o g)(x)

»f(g(x))

»f(x - 1)

»x - 1 + 1

»x✅

Answer 2

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.