monicaaranda923 monicaaranda923

11-05-2022
Mathematics

contestada

write a cubic function that passes through the points (-3,0), (0,0), (1,-8), (2,0)

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andrew19891227 andrew19891227

11-05-2022

Answer:
y=2x^3+2x^2-6x
Step-by-step explanation:
y=k（x+3）(x-2) x
∵（1，-8）
∴ -8 = k（1+3）（1-2）1
∴ k=2
∴y=2（x+3）（x-2）x=2x^3+2x^2-6x

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