Answer:
Yes this is a function
Step-by-step explanation:
For every inout there is one output
2x = 18
--------------------
x = 18 : 2 =
x = 9
-------------------
(2*9 : 3) + 1 = 7
6 + 1 = 7
The answer is 14.27 :) correct me if wrong I think I am
Im pretty sure i can help you out on this one
Answer: $86.83 is the total amount and $11.33 is the total of added tip
Step-by-step explanation: