Sue initially has 5 hours of pop music and 4 hours of classical music in her collection. every month onwards, the hours of pop music in her collection is 25% more than what she had the previous month. her classical music does not change. which function shows the total hours of music she will have in her collection after x months? a. f(x) = 4(1.25)x + 5
b. f(x) = 5(1.25)x + 4
c. f(x) = 4(0.25)x + 5
d. f(x) = 5(0.25)x + 4