Question

Since opening night, attendance at Play A has increased steadily, while attendance at Play B first rose and then fell. Equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. On what day/s was the attendance the same at both plays? what was the attendance?

Play A: y= 15x + 76
Play B: y= -x^2 + 36x - 4