The second choice is not a relation.
The first and third choices have multiple (input, output) pairs that have the same input. Such a relation is not a function. Any time you see this, you know the relation is NOT a function.
The best answer is the 4th choice ...
... {(0, -9), (-9, 0), (-3, -3)}
Answer:
$20.51 tip Russell leaves
Step-by-step explanation:
18.99 per weight
buys 9 weights
18.99 x 9 is 170.91
170.91 x 12% is 20.51 tip
170.91+20.51=$191.42
Answer:0.2588
Step-by-step explanation:
Answer:
it 1 I had this question before
Factors are all real numbers. Do you want me to foil?
