The standard form of the equation of a parabola is y = 5x2 + 20x + 14. what is the vertex form of the equation? a. y = 5(x + 2)2 + 10b. y = 5(x + 2)2 - 6c. y = 5(x + 4)2 - 6d. y = 5(x + 4)2 + 10

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters