Use Descartes's Rule of Signs to Determine the Possible Numbers $5 x ^ { 5 } - 10 x$

question 46

Multiple Choice

Use Descartes's Rule of Signs to determine the possible numbers of positive and neg- ative zeros of the function. $5 x ^ { 5 } - 10 x$

• A) One positive zero, one negative zero
• B) Two negative zeros or no positive zero
• C) One negative zero
• D) One negative zero, four negative zeros
• E) One negative zero or three positive zeros

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