Having 15 fewer people go to a concert
Neither of them are functions. Functions cannot have two of the same numbers in the x value, and since the first table has two 5s in the x column and the second table has two 7s, neither of them can be functions.
Hope this helps :)
Answer:
6.50x + 5 = 21.25 is the answer
Step-by-step explanation:
x=2.5