1.7 Case Study: Modeling with Elementary Functions: Quiz

Problem 5

Use the SSE criterion to decide which cubic best fits these data points:

x	y
–2	0.8
–1	1
0	0
1	0
2	2.8
3	10
4	20

C1(x) = 0.4x³ – 2x
C2(x) = 0.4x³ – x + 5x²

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