Can someone please help me with this geometry?

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

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

What is an alternate exterior angle