Janine estimated that the square of 4.1 is approximately 16. justify her estimate and then find the exact value

Astudent simplified a rational expression as shown.

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function