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Inverse and Composite Functions

Inverse and Composite Functions

MediumHard
12
Question 2
52%

The function f f\,f is such that

f(x)=3x−2 f(x) = \frac{3}{x-2} f(x)=x−23​
a.

Find f(1)f(1)f(1)

[2]
b.

State which value of x x\,x must be excluded from any domain of fff

[2]
c.

The function g g\,g is such that g(x)=x+4g(x) = x + 4g(x)=x+4

Calculate fg(2)fg(2)fg(2)

[3]
Markscheme

Inverse and Composite Functions Questions

  1. IGCSE
  2. /Maths
  3. /Inverse and Composite Functions

4 exam-style questions on Edexcel IGCSE Maths Inverse and Composite Functions. Each one has a worked solution and a mark scheme showing where the marks go.

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