State Whether the Function Is a Polynomial Function or Not $$f ( x ) = - 15 x ^ { 4 } + \pi x ^ { 3 } + 1$$

question 120

Multiple Choice

State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.
- $$f ( x ) = - 15 x ^ { 4 } + \pi x ^ { 3 } + 1$$

• A) Yes; degree 8
• B) Yes; degree 7
• C) No; \(x ^ { 3 }\) has a non-integer coefficient
• D) Yes; degree 4

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Definitions:

Payback

The length of time it takes for an investment to generate an amount of money equal to the cost of the investment, used as a basic measure of the investment's risk.

Discounted Payback

The period of time it takes for an investment’s cash flows, discounted at a particular rate, to cover its initial cost.

Discounted Payback Rule

A capital budgeting technique that determines the amount of time required for discounted cash flows from a project to repay the initial investment.

Pre-Specified Period

A defined time frame agreed upon or determined before the start of a certain process or event.