Test: Precalculus

1.

Suppose we have the relation  on the set of real numbers  whenever . Which of the following is true.

The relation is a function because every relation is a function, since that's how relations are defined.

The relation is a function because for every , there is only one  such that  holds. 

The relation is a function because  holds and  also holds.

The relation is not a function because  holds but  does not.

The relation is not a function because  and  both hold. 

1/3 questions

0%
Learning Tools by Varsity Tutors