Which expression represents f(x) – g(x)? f(x) = 2x2 – 3x + 4
g(x) = x2 – 4x – 5

A. x2 – 7x – 1

B. x2 – 7x + 9

C. x2 + x – 1

D. x2 + x + 9

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