Decide Whether the Relation Is a Function $$\{ ( - 3,6 ) , ( - 2,2 ) , ( 4,4 ) , ( 5 , - 8 ) \}$$

question 9

Multiple Choice

Decide whether the relation is a function.
- $$\{ ( - 3,6 ) , ( - 2,2 ) , ( 4,4 ) , ( 5 , - 8 ) \}$$

• A) function
• B) not a function

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Definitions:

Time Value

The principle that current money holds greater value than an identical sum in the future because of its earning potential.

Net Present Value Method

A method used in capital budgeting to evaluate the profitability of an investment or project by calculating the present value of expected future cash flows.

Net Present Value

A financial metric used to evaluate the profitability of an investment, calculated by subtracting the present value of cash outflows from the present value of cash inflows over a period of time.

Rate of Return

This is a measure of the profitability of an investment, calculated as a percentage of the original investment.