#### Question

Every invertible function is

(a) monotonic function

(b) constant function

(c) identity function

(d) not necessarily monotonic function

#### Solution

(a) monotonic function

We know that "every invertible function is a monotonic function".

Is there an error in this question or solution?

Solution Every Invertible Function is (A) Monotonic Function (B) Constant Function (C) Identity Function (D) Not Necessarily Monotonic Function Concept: Increasing and Decreasing Functions.