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Determine the Number of Possible Positive and Negative Real Zeros f(x)=8x77x46x3+4x2+6x+5f ( x ) = - 8 x ^ { 7 } - 7 x ^ { 4 } - 6 x ^ { 3 } + 4 x ^ { 2 } + 6 x + 5

Question 5

Multiple Choice

Determine the number of possible positive and negative real zeros for the given function.
- f(x) =8x77x46x3+4x2+6x+5f ( x ) = - 8 x ^ { 7 } - 7 x ^ { 4 } - 6 x ^ { 3 } + 4 x ^ { 2 } + 6 x + 5


A) Positive: 1; Negative: 4 or 2
B) Positive: 4 or 2; Negative: 1
C) Positive: 4; Negative: 1
D) Positive: 1; Negative: 4

Correct Answer:

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