Which definite integral approximation formula is the integral from a to b of f of x, dx is approximately equal to the product of the quantity b minus a over 2 times n and the quantity y sub 0 plus 2 times y sub 1 plus 2 times y sub 2 plus 2 times y sub 3 plus dot dot dot plus 2 times y sub n minus 1 plus y sub n ?

Quick computing currently sells 12 million computer chips each year at a price of $19 per chip. it is about to introduce a new chip, and it forecasts annual sales of 22 million of these improved chips at a price of $24 each. however, demand for the old chip will decrease, and sales of the old chip are expected to fall to 6 million per year. the old chips cost $10 each to manufacture, and the new ones will cost $14 each. what is the proper cash flow to use to evaluate the present value of the introduction of the new chip? (enter your answer in millions.)

Acollege registrar's office requires you to first visit with one of three advisors and then with one of two financial professionals. this system best described as which of the following? a. single server, single phase systemb. multiple server multiphase systemc. multiple server, cross phase systemd. single server, multiphase systeme. multiple server, single phase system

Airline companies are interested in the consistency of the number of babies on each flight, so that they have adequate safety equipment. suppose an airline conducts a survey. over weekend, it surveys 6 flights from boston to salt lake city to determine the number of babies on the flights. it determines the amount of safety equipment needed by the result of that study.