I’m not sure if you are talking about about this but here it is hope this helps.
Answer: 
Step-by-step explanation:
Let be "x" the price in dollars of one copy of the city newspaper.
You need to analize the information provided in the exercise:
1. The total number of copies of the city newspaper sold in the newspaper stand is:

2. The amount of money earned by selling 1,000 copies of the city newspaper is:

Then, you can determine that the value of "x" can be found with:

3. Finally, substituting values, you get:

Answer:
they pay 61$
Step-by-step explanation:
This means which transformation makes the same answer at x = 0
f(x) = 3x + 4

f(0) = 4
g(0) = 1 - 1 = 0
Which transformation makes 4 = 0?
4 + x = 0 + y
4 - 3 =0 + 1
1 = 1
Option 1 is your answer