Question

Can someone help me?

Answer 1

With what?

Answer 2

im waiting....

Answer 3

What are the possible numbers of positive real, negative real, and complex zeros of
f(x) = 8x^4 + 13x^3 - 11x^2 + x + 9?

Positive Real: 1
Negative Real: 3 or 1
Complex: 2 or 0

Positive Real: 2 or 0
Negative Real: 0
Complex: 2 or 4

Positive Real: 3 or 1
Negative Real: 1
Complex: 2 or 0

Positive Real: 2 or 0
Negative Real: 2 or 0
Complex: 4, 2 or 0

Answer 4

@iGreen

Answer 5

Here's the graph of it:

https://www.desmos.com/calculator/wajxwremhk

Answer 6

ok now what?