Question

Is this set of ordered pairs a function?
{(11,3), (6,5), (7, 1), (9,7), (8,3)}

Answer 1

yes

Explanation:

this is a function because it is many-to-one

(11,3)

(8,3)

they both have the same output (y) but not the same input (x) it is a function.

if it has the same input (x) and different outputs (y) if is not a function then.

Answer 2

yes

Explanation:

the x-axis are different