157k views
5 votes
How many times does this polynomial change signs?
f(x) = 3x5 – 2x4 – 6x3 + x2 - 4x – 9

User Hpm
by
4.1k points

1 Answer

4 votes

Answer:

3 sign changes from the highest order term to lowest

User Puri
by
3.5k points