Skip to content

Course home

Inverse and Composite Functions

Inverse and Composite Functions

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394
Question 22

Given that f(x)=5x−10f(x) = 5x - 10f(x)=5x−10 and g(x)=4x+1g(x) = 4x + 1g(x)=4x+1

a.

Find gf(3)gf(3)gf(3)

[2]
b.

Work out an expression for f−1(x)f^{-1}(x)f−1(x)

[2]
c.

Solve f(x)=g(x)f(x) = g(x)f(x)=g(x)

[2]
Markscheme

Inverse and Composite Functions Questions

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

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

Question bank