If the curve y = ax2 + bx + c, x ∈ R, passes through the point (1, 2) and the tangent line to this curve at origin is y = x, then the possible values of a, b, c are
1
\(a = \frac{1}{2},b = \frac{1}{2},c = 1\)
2
a = 1, b = 0, c = 1
3
a = 1, b = 1, c = 0
4
a = -1, b = 1, c = 1