Determine whether the ordered pair is a solution of the linear inequality. y ≤ -2 + 1; (2, 2) PLEASEE HELP, i dont know what to do How do I solve this?

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.