# i dotn understand. what do they mean?

*label*Mathematics

*timer*Asked: Mar 22nd, 2015

**Question description**

Write a model that most closely relates to the given data.

(10, 4), (20, 6), (30, 9), (40, 11), (50, 15)

a) | y = 0.2x^{2} + 0.4x + 2.4 |

b) | y = 2x^{2} + 0.14x + 4 |

c) | y = 0.002x^{2} + 0.14x + 2.4 |

d) | y = -0.02x^{2} - 0.14x + 2.4 |