Here's some points guy thank for helping people bye

What are the domain and range of the functiony = 2(x - 3)2 + 4?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m