Step-by-step explanation:
step 1. The x values refer to the domain of the function.
step 2. if you set y = 0 and solve the quadratic equation the x values refer to the point the graph crosses the x axis.
68.40 divide 6 = 11.4
41.80 divided 4= 10.45
Plan B is lower fee per lesson
The average temperature is -7.
Hope this helps
I think a but not sure but i hope i helped :D
