Question

1. A total cost of 11.74 per month when one song is downloaded2. The cost to download 100 songs3. The base cost of the streaming service per month4. How much the streaming service charges per downloaded song .

Answer 1

Okay, here we have this:

According to the definition of slope, it represents the change in the variable y for each unit that the variable x grows.

In this case, this can be seen as the increase in total cost for each time a song is downloaded. So, according with this we obtain that the correct answer is the option 4.