x-x³. Selling how many units will give positive revenue? ... The revenue from the sale of a product is given by the function R= 625x-x Selling more than and less than units will give positive revenue.

A marathon runner drinks one bottle of sports drink for every 3 miles he runs, and the number of bottles he drinks as a function of the number of miles he runs can be described by the function B(m) = 2. The cost of a bottle of sports drink is $1.25, and the cost in dollars of the sports drink that the runner consumes as a function of the number of bottles he drinks can be described by the function C(b) = 1.25b. If the runner runs 24 miles, how much does the sports drink he consumes cost? a) $10.00 b) $3.75 c) $1.25 d) $30.00

A ceramics store manufactures and sells coffee mugs. The revenue r(x) from the sale of x coffee mugs is given by r(x)=6.5x. Suppose the function for the cost of manufacturing x coffee mugs is c(x)=0.75x+1850. a. Write the profit function. b. Find the profit on 500,1000, and 5000 coffee mugs.

A company selling widgets has found that the number of items sold, x, depends upon the price, p at which 70000 they're sold, according the equation a (0.5p + 1)² Due to inflation and increasing health benefit costs, the company has been increasing the price by $0.06 per month. Find the rate at which revenue is changing when the company is selling widgets at $4 each. Revenue is changing at a rate of dollars per month.