Home > CALC > Chapter 3 > Lesson 3.4.1 > Problem 3-155
3-155.
Re-examine your graph of
As accurately as possible, draw a tangent to y at x = 2. Estimate its slope.
According to your derivative, y′, what is the slope of the tangent at x = 2?
The tangent line should look vertical. What is the slope of a vertical line?
Refer to hints in problem 3-154.