Question

32. Mr. Stone's phone bill is based on a flat fee plus a cost per text
message sent each month. The table below shows possible
amounts of the phone bill, y, related to the number of text
messages, x, Mr. Stone sends during a billing period.
0
15
22
Number of Text Messages, X
30
Amount of Phone Bill, y
18
21
22.4
24
Which function also represents the same linear relationship?

Answer 1

Hi Kylie - to solve this problem, we need to set up an equation. Since the total cost of $59.50 is comprised of the flat fee of $30 plus $0.25 for each there you go