Question

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?

f(x) = 4(1.25)x + 5
f(x) = 5(1.25)x + 4
f(x) = 4(0.25)x + 5
f(x) = 5(0.25)x + 4

Answer 1

@Falconmaster

Answer 2

either a or c @Vocaloid am i right?

Answer 3

"classical music does not change" so the + 4 must be constant

Answer 4

This is confusing :(

Answer 5

to find the function for pop music let it be

original amount of pop(1+rate of change)^x

Answer 6

she is saying it is either b or d

Answer 7

so i was wrong

Answer 8

original amount of pop(1+rate of change)^x

original amount of pop = 5
rate of change = 25%/100 = 0.25

substitute these values into the equation and let me know what you get

Answer 9

Okay hold on

Answer 10

@Vocaloid Is it B?!?!?

Answer 11

good

Answer 12

So I am right?!?!?!?!

Answer 13

yes

Answer 14

THANK YOU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!