The table shows the cost of downloading songs

what does the rate of change mean in this situation?

a. the cost increases $5.00 for each additional song that is downloaded.
b. the cost increases $2.50for each additional song that is downloaded
c. the cost increases $0.25 for each additional song that is downloaded
d. the cost increases $1.25 for each additional song that is downloaded

plz explain if you can

D. The cost increases $1.25 for each additional song that is downloaded

Step-by-step explanation:

Rate of change for every function is given by :-

Here, Independent variable= number of songs

Dependent variable = cost

From the given table , it can be seen that the rate of change of cost per number of songs is 1.25 :-

Since it is positive.

It means that "The cost increases $1.25 for each additional song that is downloaded

"

(w – 2.5)(w + 2.5)

(–4v – 9)(–4v + 9)

step-by-step explanation:

step-by-step explanation:

i found the koficent of the linear function and i foun c acordind to the strict formula y=kx+c and then i took 2 as an x and replacet it on the formula i found and then foun the y