Answer:
I think there is an error in the question because
(f-g) = -4
(f-g) (7) = NO SOLUTION
Step-by-step explanation:
If seven bags of Takis cost $5.95, how much does one bag cost?
2 answers:
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I don't see a table but I can give you the means to answer it yourself. The inverse function is represented by this: 
where k is your constant. You are given a k value of 4. If you solve this for k then you will get xy=4. In your tables, multiply your x value by your y value within your coordinate points and if you get a product of 4 each time you multiply x by y, then that table is your answer.