Question

1. iTunes is considering changing their monthly fees. The graph below displays what the new proposed cost of purchasing music would be. MUSIC STORE CHARGES 20 18 16 14 12 Monthly Cost (in dollars) 10 8 6 4 2. 0 1 2 3 4 5 6 7 8 9 10 Songs Purchased Which of the following statements is true according to the graph? Select all that apply. (A) Purchasing one song will cost $10. (B) You can only purchase 10 songs in a month. (C) For every 2 songs purchased, your bill increases 2 dollars. (D) The cost of purchasing music is $1 per song.

Answer 1

By looking at the graph, we can state that:

a) FALSE. the coordinate (1,10) does not belong to the line.

b) FALSE Since the line ends with an arrow, it means that it goes beyond x =10

c) True. if we move along the x axis from lef to right, we cans ee that for every 2 units to the right (songs) the line goes 2 units up (2 dollars)

d) TRUE If we move one unit to the right ( 1 song) the line goes up 1 unit ( one dollar)