Answer:
the probability that he will not win is 2/5 cause it's just the chance that he doesn't win
400,246 ( 200,200-77=200,123 divide by .5= 400,246
The correct answer is B) The set of all first elements of the function. Let's say you had these three points on a graph of a function: (0.9), (2.6), (4,7). The domain of these three points would be (0,2,4). The domain is just the input for which the function is defined. Hope this helps.