let f(x) = -1/x . find the number b such that the average rate of change of f on the interval [2, b] is − 1/6

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?