(FAN AND MEDAL)
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

Question

(FAN AND MEDAL)
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

anonymous · Answer

@jim_thompson5910 IM Just want to make sure its B?

anonymous · Answer

@amoodarya

jim_thompson5910 · Answer

if choice B is $$\Large f(x) = 5(1.25)^x + 4$$ then you are correct

anonymous · Answer

yes, thank you!