Roman loves corn bread. he buys corn meal and wheat flour in order to make corn bread. his recipe calls for two cups of corn meal and one cup of flour for each batch that he bakes. more corn bread is better for roman. he can bake fractions of a batch, but has no use for corn meal or flour that is left over. which of the following is roman’s utility function on cups of corn meal, denoted by c, and cups of flour, denoted by f?

a. u(c, f)=min{c,2f}
b. u(c, f)=min{2c, f}
c. u(c, f)=min{2c,3f}
d. u(c, f)=min{3c, sf}
e. u(c, f)=2c+3f

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.