Posted by **Delilah** on Thursday, May 2, 2013 at 9:20pm.

15.

Do the data in the table represent a linear function? If so, write a rule for the function.

x –3 –2 –1 0 1

y 1 –2 –5 –8 –11

(1 point)

yes; y = –3x – 8

yes; y = 1/3x – 8

yes; y = 1/3x + 8

yes; y = 3x + 8

16.

Write a quadratic rule for the data in the table.

x –1 0 1 2 3

y 4 5 4 1 –4

(1 point)

y = –2x^2 + 5

y = –x^2 + 5

y = x^2 – 5

y = x^2 + 5

Can you please also explain how to solve this? Thanks

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