We need to create a script file greatestval that find the greatest value of n e N such that 3n3 + 12 + 20 5 600. 1. Which command from the following is correct at the beginning of the program: a. function [value]="greatestval' (n) b. function greatestval c. function value=greatestval [n] d. function [n]=greatestval 2. The greatest value of n for the function will be: a. 6 b. 3 c. 5 d. 4 3. To print the answer on the command window we use: a. disp(the answer is od ,value); b. fprintf(the answer is,value); c. fprintf("the answer is %d ',value); d. disp('the answer is equal to "value")