What is the equation, in standard form, of a parabola that contains the following points? . (–2, 18), (0, 2), (4, 42). a) y = –2x^2 – 2x – 3. b) y = –3x^2 + 2x – 2. c) y = 3x^2 – 2x + 2. d) y = –2x^2 + 3x + 3