3. IT'S NOT D
Which relation is a function?

A. {(5, 0), (0, 5), (–5, –5)}

B. {(5, 0), (–8, –5), (–8, 5), (–5, –8)}

C. {(5, 0), (0, –8), (5, –5)}

D. {(5, 0,) (–8, –5)}

B. {(5,0), (-8,-5), (-8,5), (-5,-8)}

Step-by-step explanation:

B. 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

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*