Hi!
<em>To calculate the rate of change between days 4 and 6, we simply take those points, (4, 1503) and (6, 2196) and use the equation in the picture below:</em>
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Now, when we plug it in the equation, it looks like this:

Therefore, your answer is 346.5 or, rounded, 347.
<em><u>Meaning, your answer is C</u></em>
<em><u></u></em>
Hope this helps and have a great day! :D
Probably the 36 for 4$, but it also depends on the fluid OZ's of the bottle.
Computing the rate we get:

Then, when the assembly line runs at the same rate for 24 hours they will produce:

Answer: Option C) 720.
It is B. the differences are added together