Question

Neal has a $15 gift card for music downloads. Each song costs $1 to download. The amount of money left on the card, in dollars, can be represented by the function f(x)=15−x, where x is the number of downloaded songs. Which of the following statements are true for the given function? (Choose all that apply).

a. f(1) = 14 means Neal downloaded 1 song and has $14 left on his gift card.


b. f(2) = 15 means Neal downloaded 2 songs and has $15 left on his gift card.


c. You could represent Neal downloaded 12 songs and has $3 left on his gift card with f(12)=3.


d. f(15)=0 represents that Neal has $15 on his gift card before he downloads any songs.

Y’all i’m really struggling with this, and it’s due tonight

Answer 1

Answer: a. b. and c.

Explanation:

a.- (f)1=14 is correct in this explanation because 15-

1=14

b.- f(2)=15 is incorrect. 15-2 does not equal 15. It would be 13.

=0

c.- f(12)=3 is correct because 15-12=3

d.- f(15)=0 is correct because 15-5=