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## Homework Statement

The elements of f(t) are 1+kt and t here are 0<t<1

the other element is 1 and t here are 1<t<2.

f(t+2)=f(t)

prove if k is not equal to zero, the period f is 2.

i know the graph of element 1 but how should I graph the other element with k.

Based from the graph, the period is 2.

How should I prove that using mathematical statement?

## Homework Equations

The problem is all about fundamental period