Find a Quadratic Model for the Sequence with the Indicated

Multiple Choice

Find a quadratic model for the sequence with the indicated terms. ​
A₀ = 3,a₁ = 3,a₄ = 15
​

A) an = n² - n + 15
B) an = n² + n - 3
C) an = n² - n - 3
D) an = n² + n + ​3
E) an = n² - n + 3