QUESTION $7$

This diagram likely means that a class may exist even though it contains no students.

True

False

QUESTION $8$

Which of the following is true about the illustration?

a$.$ Each professor teaches exactly four classes

b$.$ There is no limit to the number of classes a professor might teach

c$.$ Each class is taught by up to four professors

d$.$ Each professor teaches up to four classes

QUESTION $9$

Company Insurance Policy:

Our company insurance policy insures our employees and any dependents.

For the purpose of describing an insurance policy, an EMPLOYEE might

or might not have a DEPENDENT, but the DEPENDENT must be

associated with an EMPLOYEE.

Moreover, the DEPENDENT cannot exist without the EMPLOYEE; that

is$,$ a person cannot get insurance coverage as a dependent unless the

person is a dependent of an employee.