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.F(x) = 4x5 - 7x4 + 5x3 - 6

A. 1 or 3 positive; 1 or 3 negative
B. 1 positive; 1 or 3 negative
C. 1 or 3 positive; 0 negative
D. 0, 2, or 4 positive; 0 negative


Answer: C

Mathematics

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A. x4 + 2x3 - 14x2 - 2x + 48 B. x4 + x3 + 14x2 + 14x + 48 C. x4 + x3 - 13x2 - 14x + 48 D. x4 + 2x3 + 15x2 + 14x + 48

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Perform the indicated operation.

A. 5 hr 48 min 22 sec B. 6 hr 49 min 22 sec C. 6 hr 48 min 22 sec D. 5 hr 49 min 22 sec

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Find the reciprocal of the given number.0

A.
B. 0
C. 1
D. Undefined

Mathematics

Divide using synthetic division.

A. 9m2 + 7m + 3 B. m2 + 7m + 9 C. m2 + 8m + 9 D. 9m2 - 7m + 3

Mathematics