Question

Consider the function f(x), whose graph is composed of two intersecting line segments shown below:

Answer 1

Which of the following are true for f(x) on the open domain (a, c)?

I. f (x) is continuous on (a, c).
II. f′ (x) is continuous on (a, c).
III. f (x) is differentiable on (a, b).

Answer 2

I, II and III only
I and III only
III only
II only
I only

Answer 3

@perl

Answer 4

@jim_thompson5910

Answer 5

@freckles