What are the possible numbers of positive, negative, and complex zeros of f(x) = 3x4 - 5x3 - x2 - 8x + 4?
Positive: 2; negative: 2; complex: 4 or 2 or 0
Positive: 1; negative: 3 or 1; complex: 2 or 0
Positive: 3 or 1; negative: 1; complex: 2 or 0
Positive: 2 or 0; negative: 2 or 0; complex: 4 or 2 or 0

Question

What are the possible numbers of positive, negative, and complex zeros of f(x) = 3x4 - 5x3 - x2 - 8x + 4?
Positive: 2; negative: 2; complex: 4 or 2 or 0
Positive: 1; negative: 3 or 1; complex: 2 or 0
Positive: 3 or 1; negative: 1; complex: 2 or 0
Positive: 2 or 0; negative: 2 or 0; complex: 4 or 2 or 0

anonymous · Answer

@oldrin.bataku @radar @rishavraj @Robert136 @ruby71 @randomrandom45 @EclipsedStar @Elsa213 @EmilyF03 @ErGTA123 @Whitemonsterbunny17 @Woot @wampominater @QueenBM @qurious_nick @abb0t @AaronAndyson @AmyRoseRules @AnonymousBeast @AeroSmith @AnimalLover8 @XxMuslimxX @Xaze @CBARREDO1

anonymous · Answer

can someone help me with this please

cbarredo1 · Answer

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

cbarredo1 · Answer

2 sign changes in + gives us either 2 or 0 roots

anonymous · Answer

so D?

cbarredo1 · Answer

ya

animallover8 · Answer

I agree I think....