please answer the questions directly from the mat lab copy and paste the code with the plot if there is a plot on word document and please do not change the spacing in the code or anything copy and paste the code directly and write the qustion number 1

please answer the questions directly from the mat-lab copy and paste the code with the plot if there is a plot on word document and please do not change the spacing in the code or anything copy and paste the code directly and write the qustion number