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Let f: R → R be defined by f(x) = 3x – 4. Then f–1(x) is given by ______.

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Question

Let f: R → R be defined by f(x) = 3x – 4. Then f–1(x) is given by ______.

Options

  • `(x + 4)/3`

  • `x/3 - 4`

  • 3x + 4

  • None of these

MCQ
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Solution

Let f: R → R be defined by f(x) = 3x – 4. Then f–1(x) is given by `(x + 4)/3`.

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Chapter 1: Relations And Functions - Solved Examples [Page 9]

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NCERT Exemplar Mathematics Exemplar [English] Class 12
Chapter 1 Relations And Functions
Solved Examples | Q 22 | Page 9

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