Which of the points plotted below satisfy the equation in the box below

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2