It’s a lot but pls tell me where to graph it, for example (3,10) and tickets sold,total money raised and in the bottom, what does the slope represent and how much money is made when 3 tickets are sold and how much money is made when 9 tickets are sold

Its a lot but pls tell me where to graph it for example 310 and tickets soldtotal money raised and in the bottom what does the slope represent and how much mone class=