What is the equation of the tangent line to at ?

Answer and explanation

Correct answer: C.

  1. Step 1: Compute and , so . Point-slope form gives . **Answer: . Why not the others:** The curve does not pass through the origin and the slope is 1.

Practise more Calculus: Limits, Derivatives and Integrals.

Free questions with an explanation for every one, and full timed Panhellenic Examinations (Greece) mock tests.