Skip to content
MathsGenie logo
Open app

Course home

  1. A Level
  3. Maths Edexcel
  5. Question bank

2.2 Functions and Mappings

MediumHard
1234
Question 2
58%

The function g g\,g is defined by

g(x)=x2+6x−2,x∈R g(x) = x^2 + 6x - 2, \quad x \in \mathbb{R} g(x)=x2+6x−2,x∈R
a.

Find the range of g(x)g(x)g(x)

[3]
b.

Explain why the function g(x)g(x)g(x) does not have an inverse

[1]

2.2 Functions and Mappings Questions

  1. A Level
  2. /Maths
  3. /2.2 Functions and Mappings

Practise Edexcel A Level Maths 2.2 Functions and Mappings with exam-style questions for A Level Maths. 6 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank