Howell Medina
02/07/2024 · Middle School
Use Descartes' rule of signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the following function. \( f(x)=x^{3}-12 x^{2}-15 x+26 \) What is the possible number of positive real zeros of this function? A. 2 or 1 B. 2 or 0 C. 4 or 2 D. 3 or 1 What is the possible number of negative real zeros of this function? A. 3 or 1 B. 1 C. 3 or 2 D. 2 or 0
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- Possible number of positive real zeros: B. 2 or 0
- Possible number of negative real zeros: B. 1
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