Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 4x3 - 5x2 + 8x - 10
A. 10; f(x) = (x - 10)(4x2 + 1)
B. 
; f(x) = (4x - 5)(x2 + 2)
C. 2, 
, 1; f(x) = (4x - 5)(x - 1)(x - 2)
D. -2, -1, 
; f(x) = (4x - 5)(x + 1)(x + 2)
Answer: B
Mathematics
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A. foci at (
, 0) and (-
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B. foci at (
, 0) and (-
, 0)
C. foci at (2
, 0) and (-2
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D. foci at (0, 
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