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A(t)= -6.7615t

^{4}+114.87t

^{3}-240.1t

^{3}-2129t

^{2}+40,966

where t is the number of years since 1998.

a) graph the number of applicants on 0<= t <= 11

b) based on the graph in part a, during what years did the number of medical school applicants increase?

If someone could explain to me how to enter the equation into a TI-84 that would be helpful. I know that you go to Y= and then enter in the equation, I get stuck on what to do after that. If I hit the graph button I don't see the full graph. How should I adjust the "window" values in order to see what the graph should look like? Thanks.