English

Inverse Function

How to find the inverse function: definition, property, 4 examples, and their solutions.

Definition

Examplef(2) = 5, f-1(5) = ?

Examplef(x) = 2x + 1, f-1(7) = ?

Examplef(x) = 2x + 4, f-1(x) = ?

Property(f-1 ∘ f)(x), (f ∘ f-1)(x)

Example(f-1 ∘ f)(3) = ?