Which graph below solves the following system of equations correctly? y = three over four times x squared minus 3 y = negative three over four times x squared plus 3 (6 points) Select one: a. two quadratic graphs opening up. They intersect at 0 and negative 3. b. one quadratic graph opening up and one quadratic graph facing down. They intersect at 0, 3. c. quadratic graph opening up and quadratic graph opening down. They intersect at 0, negative 3. d. two parabolas one facing down with a vertex at 0, 3 and one facing up with a vertex at 0, negative 3