Please help me you have to find the major here's the question lots of points im giving for correct answer

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

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079