Use Descartes' Rule of Signs to Determine the Possible Number $$P ( x ) = - 4 x ^ { 4 } - 3 x ^ { 3 } - 7 x ^ { 2 } - 4 x + 7$$

question 5

Multiple Choice

Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative
real zeros for the function.
- $$P ( x ) = - 4 x ^ { 4 } - 3 x ^ { 3 } - 7 x ^ { 2 } - 4 x + 7$$

• A) 0 or 2 positive; 1 or 3 negative
• B) 1 positive; 2 negative
• C) 1 positive; 1 or 3 negative
• D) 1 positive; 1 negative

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