Matlab homework

I have a matlab homework and I need help

for question 7: Click on the part of the code that is the second nested function.

for question 8: Click on the part of the code that is A CALL TO the second nested function.

for question 10: Click on the part of the code that is A CALL TO the FIRST subfunction.

for question 11: Click on the part of the code that is the third subfunction.