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Exam-style practice

Differentiation answer explanations

Review worked answers and explanations for Differentiation. Aligned to Cambridge IGCSE Mathematics.

Answer explanations

Question 1 of 2

Review the answer support, then move sideways through the set.

Paper 2 structured question: Differentiation

Paper 2Core or Extended Mathematics6 marks

Description

Function Analysis

Consider the function f(x) = 3x^4 - 8x^3 + 6.

  1. a

    Calculate the derivative f'(x) of the function.

    [2]
  2. b

    Determine the stationary points of f(x).

    [2]
  3. c

    Explain which stationary point is a maximum and which is a minimum using the second derivative test.

    [2]