In the case of a linear model with two decision variables, if the constraints are in the form of inequalities they are visually represented by regions called as:
a. half spaces.
b. curves.
c. 2-spaces.
d. regions of linear intersection.
Question 2
Temperature is an example of a variable that uses
a. the ratio scale
b. the interval scale
c. the ordinal scale
d. either the ratio or the ordinal scale