contestada

Which quadratic function best fits this data?
x y
1 32
2 78
3 178
4 326
5 390
6 337
A) y=11.41x2+154.42x−143.9
B) y=−11.41x2+154.42x−143.9
C)y=11.41x2+154.42x+143.9
D)y=−11.41x2+154.42x+143.9

Respuesta :

Answer:

Correct answer is B  

y=-11.41x^2+154.42x-143.9

Step-by-step explanation:

Answer:

B. [tex]y=-11.41x^2+154.42x-143.9[/tex]

Step-by-step explanation:

The table for the data is given by,

x                           y  

1                          32  

2                         78  

3                         178  

4                         326  

5                         390  

6                         337

Using the regression calculator, we see that,

The quadratic equation representing the data is [tex]y=-11.41x^2+154.42x-143.9[/tex].

So, option B is correct.

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