please answer fast only MCQ no need for justifcation MATLAb

Consider the following function: function ( 3 ] = grade( x) if x>59 disp ('The student's grade is x. He has passed the exam.") Statement 1 disp (Moreover, the student is on the honor list!) else disp('The student has failed.) end end 1. For the dean's honor list, the grade needs to be greater than 84. Therefore, Statement 1 is: a. if (grade >84) b. if (x>84) c. if (x is greater than 84) d. if (x=84) 2. If we want to display the grade of the student and say that he has passed the exam. line 3 should be replaced by: a. There is nothing wrong with line 3. We can keep it as it is. b. fprintf ("The student's grade is %d. He has passed the exam, ',x) c. fprintf ("The student's grade is %d. He has passed the exam, ") d. disp('The student's grade is %x. He has passed the exam.'. x) 3. Considering line 1, which of the following statements is false? a. "x" is the input of the function. b. "[&]" is necessary for the code to run C. "Grade" is the name of the function. d. There is no problem if "Gr" is written in the place of "grade". 4. An "end" is needed right before "else" (line 6). a. True b. False c. True d. False