Question

A website charges $3 for each movie you

download. They also charge a one-time sign-up
fee of $14.99
What is the input variable?

Answer 1

so the input variable is the number of movies you download.

Explanation:

y = 3x + 14.99

x is the number of movies you download

lets say you download 5 movies, its going to be y = 3(5) + 14.99

y = $29.99 only for the first time. after that 5 movies will be $15

Answer 2

What is the input variable?

✔ m, the number of movies.

What is the output variable?

✔ c, the total cost.