The polynomial function i(t)=-0.1t^2+1.6t represents the yearly income (or loss) from a real estate investment, where t is the time in years. after what year does income begin to decline?

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2