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Lesson details

Key learning points

  1. In this lesson, we will use knowledge of using inverse functions to solve equations using f(x)

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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3 Questions

Q1.
1. f(𝑥) = 4𝑥 Find the value of f(7)
11
Correct answer: 28
47
Q2.
2. f(𝑥) = 4𝑥 - 8 Find the value of f(0.2)
-3.8
Correct answer: -7.2
34
Q3.
An image in a quiz
-7
5
Correct answer: 7

3 Questions

Q1.
1. f(𝑥) = 5𝑥 Solve the following equation f(𝑥) = 95
100
Correct answer: 19
475
Q2.
An image in a quiz
+2 or -2
Correct answer: +3 or -3
1.06
4
Q3.
An image in a quiz
A
Correct answer: B
C

Lesson appears in

UnitMaths / Functions