Let . What is ?

Answer and explanation

Correct answer: D. 2

  1. Step 1: Differentiate term by term: .
  2. Step 2: Substitute : .
Answer
2.
Why not the others: 1: this is , not the derivative. 8: the derivative of the quadratic term was taken incorrectly. 0: the derivative of the linear term was lost.

Practise more Calculus.

Free questions with an explanation for every one, and full timed Wazari Exam (Iraq Baccalaureate) - Scientific Branch mock tests.

All Calculus questionsTake a mock test

More Calculus questions

Let f(x)=x 3 - 3x 2… | Wazari Exam (Iraq Baccalaureate) - Scientific Branch