A store sells previously viewed movies. The table shows the cost of buying 1, 2, 3, or 4 movies. a. Which mapping diagram represents the data in the table
Question 2
b. Is the relation a function? Explain.

Each input has exactly one output. Therefore, the relation is a function.

Question 3
c. Describe the pattern. How does the cost per movie change as you buy more movies?

The pattern is that for each input
increase
of
1
, the output
increases
by $1,2,3,4,6,12
less than the previous increase. For each additional movie you buy, your cost per movie
decreases
by $1,2,3,4,6,12

how much did the output increase in dollars and how much did the movie decrease