Graph the data in the table below. Which kind of function best models the data? Write an equation to model the data.

X Y

0 0

1 -2

2 0

3 6

4 16

  1. exponential; y = 2•4x
  2. quadratic; y = 2x2 + 4x – 3
  3. linear; y = – 2x
  4. quadratic; y = 2x2 – 4x