Question 20 - Mathematics Practice Test for the ACT

Of the following sets of numbers, which set of values does not belong to a function?

\[\{(5,-7), (5,2)\}\]
\[\{(6,3),(4,7)\}\]
\[\{(9,9),(2,8)\}\]
\[\{(10,1),(7,3)\}\]

Hint

Be alert for words like not, except, false, incorrect, least (likely), and other negative word forms in questions. These words change the purpose of your search for the correct answer.

Previous Question

Create a totally FREE account to save your progress and scores.

Get more questions

Practice more for better scores. Get an additional 375 practice questions.

Upgrade to Premium