Answer:
The situation you are describing can be written as y=2x, or in this case t=2f, for every fragrance purchased there are 2 ounces of lotion that are given. Since the ounces of fragrance are not shown in this question, we can only make the graph on the ounces of lotion for every fragarance purchased. The points of the graph represent that for every fragrance bought, there is twice the amount of that in ounces of lotion. In summary, the rule is t=2f where t would equal purchases of fragrance and f would equal the ounces of lotion.
(If there is any more you would like to add to the question I can answer that.)
Lets solve for x. So first lets distribute.

Now lets put x on one side and combine like terms
EDIT: whoops clicked on answer
-15x=21
x=-21/15
letter c.
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ANSWER
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Answer:
f(9)=f(1)+40
Step-by-step explanation:
We are given term=previous term+5 by the equation f(9)=f(8)+5 and that the sequence is arithmetic.
This tells the slope of the line is 5. (We know it is linear because it is arithmetic).
So we want to find the slope of the line going through (1,f(1)) and (9,f(9)).




I think that we are looking for x. And x equals to 1 because 2 times 1 is 2 and the promblems means that 2x has the be less or equal to 3. And the only answer that makes sense is 1