If a > 0, b>0, show that f (x) = a (1-e^-bx) is everywhere increasing and everywhere concave down.

Lucy needs to buy some pencils. Brand A has a pack of 24 pencils for $4.48. Brand B has a pack of 36 pencils for $6.24. Find the unit price for each brand. Then state which brand is the better buy based on the unit price.

A rectangular field is 80 yards wide and 125 yards long. db

What is 1.7¯ expressed as a fraction in simplest form? 13/7 25/9 8/7 16/9

Which form of an equation of a line is the easiest for you to graph? Why? Find someone who feels differently and respond to their post by trying to convince them that your chosen method is easier.

Determine the quadrant (s) in which (x, y) is located so that the condition (s) is (are) satisfied. x>2, y > - 4

To which pplace value is the following number rounded? 5.927 to 5.93

How many two digit whole numbers are increased by 18 when their digits are reversed?

How to solve? -21w (w-26)

Probability that Garrick is certified = 25 Probability that Molly has not had an accident = 71.87 Probability that Ryan is both certified and has never had an accident =

Joyce lost 26 lbs on her diet. During vacation she gained 4 lbs. How much was her overall loss?