Let . Use the product rule to find .

Answer and explanation

Correct answer: B. 15

  1. Step 1: , so . Answer: 15. Why not the others: 6, 12 and 16 don't fit.

Practise more Algebra, calculus and geometry.

Free questions with an explanation for every one, and full timed UNI Admission Exam (Peru) mock tests.

All Algebra, calculus and geometry questionsTake a mock test

More Algebra, calculus and geometry questions