Use Descartes’ Rule of Signs to find the number of possible positive, negative, and nonreal roots for the equation, 4x^3+7x^2+7x+3=0

Question

a. 0 positive, 0 negative, 3 non real roots

b. 0 positive, 1 or 3 negative, 0 or 2 non real roots

c. 0 positive, 1 or 3 negative, 1 or 3 non real roots

d. 0 or 2 positive, 0 or 2 negative, 0 or 2 non real roots

e. 0 or 2 positive, 1 or 3 negative, 0 or 2 nonreal roots

Answer 1

take a look at this question I did several years ago

http://www.jiskha.com/display.cgi?id=1315862859