Solve equations using f(x) =
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Lesson details
Key learning points
- 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
47
Q2.
2. f(𝑥) = 4𝑥 - 8 Find the value of f(0.2)
-3.8
34
Q3.
-7
5
3 Questions
Q1.
1. f(𝑥) = 5𝑥 Solve the following equation f(𝑥) = 95
100
475
Q2.
+2 or -2
1.06
4
Q3.
A
C