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1.1.4 Definition, domain and range of functions

1.1.4 Definition, domain and range of functions

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123
Question 1
45%

The function f f\,f is defined by

f(x)=x2−10x+30,x∈R f(x) = x^2 - 10x + 30, \quad x \in \mathbb{R} f(x)=x2−10x+30,x∈R
a.

Find the range of f(x)f(x)f(x)

[3]
b.

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

[1]
Markscheme

1.1.4 Definition, domain and range of functions Questions

  1. A Level
  2. /Maths
  3. /1.1.4 Definition, domain and range of functions

5 exam-style questions on AQA A Level Maths 1.1.4 Definition, domain and range of functions. Each one has a worked solution and a mark scheme showing where the marks go.

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