In the real world, what might be a situation where it is preferable for the data to form a relation but not a function?

In the real world, what might be a situation where it is preferable for the data to form a relation but not a function? There is a formula that converts temperature in degrees Celsius to temperature in degrees Fahrenheit. If we use the following data points: Fahrenheit Celsius Freezing point of water 32 0 Boiling point of water 212 100 Whas is the linear equation that expresses temperature in degrees Fahrenheit as a function of temperature in degrees Celsius? What is the linear equation that expresses temperature in degrees Celsius as a function of temperature in degrees Fahrenheit. H... click for more

Polynomial expansion

(See attached file for full problem description with function) --- Please explain why the following holds... (see function attached)

Problems 1-8 in Chapter 7 of Brealey-Myers-Marcus: Fundamentals of Corporate Finance, Fourth Edition

Year Project A Project B 0 -$200 -$200 1 80 100 2 80 100 3 80 100 4 80 1. IRR/NPV. If the opportunity cost of capital is 11 percent, which of these projects is worth pursuing? 2. Mutually Exclusive Investments. Suppose that you can choose only one of these projects. Which would you choose? The discount rate is still 11%. 3. IRR/NPV. Which project would you choose if the opportunity cost of capital were 16%? 4. IRR. What are the internal rates of return on projects A and B? 7. Payback. What is the ... click for more

Help to Solve the NPV to Problem #12 of Fundamentals of Corporate Finance, Fourth Edition

NPV. A proposed nuclear power plant will cost $2.2 billion to build and then will produce cash flows of $300 million a year for 15 years. After that period (in Year 15), it must be decommissioned at a cost of $900 million. What is project NPV if the discount rate is 5%. What if it is 18%?

Help solving a problem in Fundamentals of Corporate Finance, Fourth Edition

Profitability Index. What is the profitability index of a project that costs $10,000 and provides cash flows of $3,000 in Years 1 and 2 and $5,000 in Years 3 and 4? THe discount rate is 9%.