What is I(-3, 2), J(-4, 5), K(1, 4) to I'(-2, -3), J'(-5, -4), K'(-4, 1)

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9