Question

list the points in the graph at which the function is not differentiable. select all that apply. a. $x_3$ b. $x_0$ c. $x_1$ d. $x_2$ e. $x_5$ f. $x_4$

Explanation:

Step1: Check for sharp - corners

At $x_3$ and $x_4$, there are sharp - corners.

Step2: Check for vertical tangents

At $x_1$, there is a vertical tangent.

Step3: Check for discontinuities

At $x_2$, there is a discontinuity.

Answer:

A. $x_3$, C. $x_1$, D. $x_2$, F. $x_4$