Meg initially has 3 hours of pop music and 2 hours of classical music in her collection. Every month onwards, the hours of pop music in her collection is 5% 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) = 2 (0.05) x + 3

B) f (x) = 3 (0.05) x + 2

C) f (x) = 2 (1.05) x + 3

D) f (x) = 3 (1.05) x + 2

Question

Margaret Newton

Mathematics

21 May, 11:03

Meg initially has 3 hours of pop music and 2 hours of classical music in her collection. Every month onwards, the hours of pop music in her collection is 5% 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) = 2 (0.05) x + 3

B) f (x) = 3 (0.05) x + 2

C) f (x) = 2 (1.05) x + 3

D) f (x) = 3 (1.05) x + 2

+2

Answers (1)

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Brian Sexton · Answer 1

I believe the answer is B. Initially she had 3 hours of pop music, so you would multiply that by how much it increases, which is 5% and you would only add 2 because there should only be 2 hours of classical music.