Differentiating a Polynomial Cost Function

00:00 4 marks

  • Build Confidence
  • SL & HL
  • Tier 4
  • Power rule
  • Derivatives
  • Marginal cost

Given the cost function \(C(q) = 5q^3 – 4q^2 + 7\), where \(q\) represents the quantity produced, find the marginal cost function.

Note: The marginal cost is given by the derivative \(C'(q)\).

Hint Hint

Hint

Differentiate each term of \(C(q)\) using the power rule.

  • Answer Answer
  • Mark Scheme Mark Scheme
  • Explanation Explanation
  • Examiner Tips Examiner Tips
  • Common Errors Common Errors
  • Real World Context Real World Context
  • Focus Focus
  • Formula Booklet
  • Answer Answer

Complete Answer

\(C'(q) = 15q^2 – 8q\)

  • Mark Scheme Mark Scheme
  • Answer Explanation Answer Explanation
  • Examiner Tips Examiner Tips
  • Common Errors Common Errors
  • Focus Focus

Math Editor

Report Question


Please enter keywords