Plz which relation is a function?
a. {(5, 0), (0, 5), (–5, –5)}
b. {(5, 0), (0, –8), (5, –5)}
c. {(5, 0), (–8, –5), (–8, 5), (–5, –8)}
d. {(5, 0,) (–8, –5)}

Option A. is a function...

here For different values of x in Domain of(x,y) ;There is a unique image y in codomain.

All others have more than one image for a single value x.

Hope it helps...

Regards;

Leukoniv/Olegion.

the transverse axis of a hyperbola is the line that contains the two vertices and the two focuses.

in this example (hyperbola of equation x^2/2 - y^2/4 = 1), the transverse axis is the  x-axis  . 

step-by-step explanation:

i think that you should ask google for the answer to that problem because if we don't know it google does