The answer would be B because to have a function none of the x's can be the same, and we know that it's (x,y) so all of the first numbers are x's In the first answer choice the x's would be 0,1,3,5,&5 but the 5 is repeated so we toss that answer choice In answer choice B, the x's are 3,4,&5, so that's a maybe In C, the x's are 1,5,1,&5 so we know that's not correct because the 5's and the 1's are both repeated Last but not least, in D, the x's are 5,7,&5, the 5's are repeated so that leaves us with our answer of B. {(0,1), (1,2), (3,4), (5,6), (5,7)}
Hey Jay, Since we can't see the graphs, we can't be entirely sure, but given that we are trying to model the population size of a species of bird that is slowly going extinct. I would say the best graph would be a line graph. Line graphs show changes over time so this would be the best graph to use. Hope this helped!
