Does this set of ordered pairs represent a function? Why or why not? {(-5, -5),(-1,-2), (0, -2), (3,7), (8,9)}

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Which expression is equivalent to the expression shown?

Afootball is throw by a quarterback to a receiver