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