Does the data in this table represent a function? WILL MARK BRANIEST FOR GREAT AND

Yes, this is a function, because for every output there is one input!

Step-by-step explanation:

No

Step-by-step explanation:

A function means direct adding patterns on both sides. If you notice, the first one, it goes +1+1+1+1 +3 which is not correct. It should be +1.

Hope this helps :D  

Solution: 25 × $9.85= $246.25 purchase price

25 × $11.22 = $280.5 sale price

$280.5 – $246.25 = $34.25 profit in dollars

$34.25 ÷ $246.25 = 0.139 = 13.9% ROI