Find All Rational Zeros $$f ( x ) = x ^ { 4 } - 7 x ^ { 3 } + 3 x ^ { 2 } + 21 x - 18$$

question 321

Multiple Choice

Find all rational zeros.
- $$f ( x ) = x ^ { 4 } - 7 x ^ { 3 } + 3 x ^ { 2 } + 21 x - 18$$

• A) 6,1
• B) \(- 6,1\)
• C) No rational zeros
• D) \(6 , - 1\)

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Definitions:

Optimal R&D

The most efficient level of investment in research and development activities where marginal costs equal marginal benefits, maximizing net benefits.

Expected-Rate-Of-Return

The anticipated return on an investment, predicting future profit or loss.

Interest-Rate Cost-Of-Funds

The cost incurred by a financial institution to acquire the funds that it lends out to its customers, which is often influenced by prevailing market interest rates.

Marginal Cost

The rise in cost due to the production of an extra unit of a product or service.