32 students in 1 row
16 students in 2 rows
8 students in 4 rows
4 students in 8 rows
2 students in 16 rows

By inspection 1 is a root of y ,
Hence , (x-1) is a factor of y ,

Hence , the 2 other roots are -1/2 and 3 , and the above graphs confirms the same.
Hope it helps you :)
Answer:
31
Step-by-step explanation: