Need help ASAP. Consider the given functions.

Which graph represents the given function?

What numbers are included in the set of integers? what numbers are not included?

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr