Question

help medals given!
what are the possible number of positive real, negative real, and complex zeros for the function
f (x) = 6x^3 - 3x^2 + 5x + 9

Answer 1

Use descartes' rule of signs.

Answer 2

i don't know how can you walk me through it

Answer 3

f (x) = 6x^3 - 3x^2 + 5x + 9
for positive real roots you just look at the sign changes
in this chase there is two or zero positive real roots

Answer 4

ok..