Prove that the greatest integer function defined by f(x)=[x], 0<x<3 is not…

MATHEMATICS · Subjective · AP · Calculus AB · Limits and Continuity · Limits and Continuity

Problem

10. Prove that the greatest integer function defined by

f(x)=[x], 0<x<3

is not differentiable at

x=1

and

x=2