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NDA 2015
Exam
NDA
Year
2015
Subject
Mathematics
Chapter
Functions

NDA 2015 · Mathematics · Functions

Consider the following functions: 1. f(x)=x^3, x ∈ ℝ 2. f(x)= x, 0...

Consider the following functions: 1. f(x)=x3,x∈Rf(x)=x^3, x \in \mathbb{R} 2. f(x)=sin⁡x,0<x<2πf(x)=\sin x, 0 \lt x \lt 2 \pi 3. f(x)=ex,x∈Rf(x)=e^x, x \in \mathbb{R} Which of the above functions have inverse defined on their ranges?

Options

  1. A1 and 2 only
  2. B2 and 3 only
  3. C1 and 3 only
  4. D1, 2 and 3

Correct answer

C. 1 and 3 only

Step-by-step solution

The correct answer is option (C).
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