Write the integers that are closest to the number in the middle to complete the statement. 41

Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.

Is this a polynomial function? i need to know asap

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2