7. Whitley has a $5 gift card for music downloads. Far

Sa gift card for music downloads. Each song costs $1 to download.

The amount of money left on the card can be represented by the function

Md) = 5-d, where d is the number of songs she has downloaded.

a. Make a table and graph the function.

M (d)

(d, M (d))

b. Identify the domain and range of the function and the units of the

independent and dependent variables.