Question

7. Which relation is a function?


a.
{(2,6),(2,5),(1,4)}


b.
{(1,2),(3,4),(5,6)}


c.
{(4,a),(4,c),(4,d)}


d.
{(1,3),(-1,2),(1,7)}

Answer 1

Step-by-step explanation:

$\frac{1 \sqrt{222551515 \frac{ \frac{?}{?} }{?} \times \frac{?}{?} \times \frac{?}{?} } }{?}$

Answer 2

Answer:

may be c.. I am not sure... ...sorry