Use the given graph to determine the period of the function. 1 & 2 plz

The period of the function is that distance where the function becomes equal again.
 We have then:
 Part 1:
 The period of the function is:
 T = 3
 Part 2:
 The period of the function is:
 T = 4
 
 The period of functions 1 and 2 respectively are:
 T = 3
 T = 4

Where is your question?

Claude debussy's music was associated with answer choice 3, impressionist