Mathematics, 21.11.2019 22:31 lobatospitones
Which of the following quartic functions has x=-1 and x = -3 as its only two real zeros?
y=x^4 - 4x^3 - 4x^2 - 4x - 3
y = -x^4 + 4x^3 + 4x^2 + 4x + 3
y x^4 + 4x^3 + 3x^2 + 4x
x^4 + 4x^3 + 4x^2 + 4x + 3
Answers: 3
and 
and two comples zeros (because 
cannot be factored futher).
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Which of the following quartic functions has x=-1 and x = -3 as its only two real zeros?
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