Question

text time charges $25 for a texting plan with 300 text messages included. if the customer goes over the 300 text messages, the cost is $0.10 per message they have an unlimited plan for $48 per month.

E. for what number of text messages are the costs of the two different plans the same?

Answer 1

@thomaster can you help?

Answer 2

A. if x represents the number of text messages, and the c(x) represents the cost of the messages, express c(x) as a piecewise function.
B. graph the function from part a
c. what are the coordinates of the cusp in your graph from part b?

Answer 3

@satellite73 can you help me?