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ZIMSEC O-Level Additional Mathematics

6.1.6.3Inverse functions and graphical illustration

Inverse functions and graphical illustration in ZIMSEC O-Level Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic23 practice questions1 lesson
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Learning objectives

What the syllabus expects you to be able to do.

  1. 6.1.6.3.1Form 3: find inverse functions and illustrate a function and its inverse graphically.

Lessons

  • Inverse functions

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Inverse functions and graphical illustration: sample question

1 mark

Given f(x)=3x−4f(x) = 3x - 4, find f−1(11)f^{-1}(11).

Only if the answer has a unit, e.g. cm or km/h.

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