Use the total-cost and total-revenue func-tions in Exercises 75 and 76 to find the rate at which to-tal profit is changing when items have been producedand sold.

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?