Determine which of the following relations is a function. A 2-column table with 5 rows. Column 1 is labeled x with entries negative 10, negative 5, 0, 5, 10. Column 2 is labeled y with entries 10, 5, 0, negative 5, negative 10.
A 2-column table with 5 rows. Column 1 is labeled x with entries negative 3, negative 1, 0, 0, 3. Column 2 is labeled y with entries 2, 1, 2, 1, 4.
A 2-column table with 5 rows. Column 1 is labeled x with entries negative 8, negative 2, 1, 2, 4. Column 2 is labeled y with entries negative 4, negative 2, 3, 4, 6.
A 2-column table with 5 rows. Column 1 is labeled x with entries 0, 1, 2, 2, 5. Column 2 is labeled y with entries 2, 4, 2, 6, 7.

What evidence from the passages shows that Charlie’s intelligence is increasing? Check all that apply.
He says he has learned punctuation.
His spelling has improved.
He does not get along with Miss Kannan any more.
He does not race Algernon any more.
Dr. Namur does not want him to change the reports.