Skip to content

Course home

1.5.8 Composite and inverse functions (A-level only)

1.5.8 Composite and inverse functions (A-level only)

EasyMedium
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849
Question 8

The function f f\,f is defined by

f(x)=x2+8x+16,x∈R,x≥−4 f(x) = x^2 + 8x + 16, \quad x \in \mathbb{R}, x \geq -4 f(x)=x2+8x+16,x∈R,x≥−4
a.

State the range of fff.

[2]
b.

Sketch the graphs of f(x)f(x)f(x) and f−1(x)f^{-1}(x)f−1(x) on the same diagram.

[3]
c.

Find an expression for f−1(x)f^{-1}(x)f−1(x) and state its domain.

[4]
Markscheme

1.5.8 Composite and inverse functions (A-level only) Questions

  1. A Level
  2. /Maths
  3. /1.5.8 Composite and inverse functions (A-level only)

52 exam-style questions on AQA A Level Maths 1.5.8 Composite and inverse functions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank