The second option because one same input cannot have two different outputs
For example, x + 2 = y
If I put in 3, y has to equal 5, nothing else.
This makes the second option the only option that is a function
Hope this helps!
Answer:
B
Step-by-step explanation:
Every input has exactly one output
Answer:
i think the answer is B (1.68)
Step-by-step explanation:
2000 / 4 = 500
500 + 5% = 25
1500 + 1%= 15
Total cash back = 40$