D Question 4 1 pts Consider the parabola given by the equation f (x) = 4x2 - 10x - 12. The vertex of the parabola is at O (0, -12) O (1.25, -18.25) O (3.38, 0) 2 O (-0.887. 0) E D Question 5 1 pts Alert Consider the parabola given by the equation f (x) - 4x2 - 10x - 12 The vertical intercept of the parabola is at O (0. -12) O (1.25,-18.25) O (3.38,0) O (-0.887,0) D Question 6 1 pts Consider the parabola given by the equation f (x) = 4x2 - 10x - 12. The leftmost zero of the parabola is at O (0. -12) O (1.25,-18.25) (3.38, 0) O (-0.886, 0)