Amunfuctor of medical supplies produces 1 liter of bags of saline solution. the cost to produce x thousand bags of saline is given by the cost function. c(x)=1.6*2-6.2x 3.2, where c is the cost in thousands of dollars. find the cost to produce 4000 bags of saline.

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

On a piece of paper graph f(x)=5•(0.4)^x

Hilary decided to purchase 3 points in order to lower her interest rate on her $140,000 mortgage. how much additional money does she need to bring to closing? a. $4200 b. $4000 c. $6 d. $400