Assignment 11

1) What is differential calculus

(20 points)

2) What type of problems are derivatives used to solve in the business world

(40 points)

3) Find the first derivative the following function

f(x) = 8X6+ 4X-5-6y+ 150

Assignment 12

Q1) The price P of a certain computer system decreases immediately after its introduction and then increases. If the price P is estimated by the formula P = 120t2 - 1800t + 6000, where t is the time in months from its introduction, find the time until the minimum price is reached. Round to the nearest tenth if necessary. (100 points)