Evaluate 2r + 1 if r=-3

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

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false

Mr. roseanne will buy 12 1/2 pounds beef for for a cookout. the price for the first 3 pounds of beef is $4.99 per pound. after that, the price is $4.49 per pound. how much will mr. roshan pay for the beef