Question

What are the possible number of positive real, negative real, and complex zeros of
f(x) = 6x3 – 3x2 + 5x + 9?
[A,B,C, or D]

A. Positive Real: 1
Negative Real: 0
Complex: 2

B. Positive Real: 1
Negative Real: 2 or 0
Complex: 2 or 0

C. Positive Real: 2 or 0
Negative Real: 1
Complex: 2 or 0

D. Positive Real: 2 or 0
Negative Real: 2 or 0
Complex: 1

Answer 1

Positive Real: 2 or 0
Negative Real: 1
Complex: 2 or 0

Answer 2

welcome.

Answer 3

I answered your last question c: http://openstudy.com/study#/updates/4fba673ce4b05565342f43e7