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

Brianna has 6 bags of soil. Filling one flowerpot requires 1 3 of a bag of soil. How many flowerpots can be filled with these 6 bags?

Felicia bought 3 feet of ribbon for a project. she needs to cut the ribbon into 6 equal pieces. how long will each ribbon be?

Is 546,322 greater or less than 540,997

What is the estimated value of the expression if each number in the expression is rounded to the nearest whole unit? (1.95) (9.84) (3.27)

Problem Page The price of a cup of coffee was $2.35 yesterday. Today, the price fell to $2.10 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

27 devided by 1053 in decimal form like 528.6

Which expression best represents the difference between triple a number and double a number? A) 3x - 2x Eliminate B) 2x - 3x C) x3 - x2 D) x2 - x3

Naomi wants to buy a new computer for $840. She is considering two payment plans that require weekly payments. Which plan will pay for the computer faster? Plan A : $180 down $60 per payments Plan B: $0 down $70 per week payments

In the library, 6 students are working on math. Of those 6 students, 2/3 of them are working on fraction. How many students are working on fractions?

What is the quotient of - 1 4/5 and 2 1/4?